diff: make struct diff_flags members lowercase

Now that the flags stored in struct diff_flags are being accessed
directly and not through macros, change all struct members from being
uppercase to lowercase.
This conversion is done using the following semantic patch:

	@@
	expression E;
	@@
	- E.RECURSIVE
	+ E.recursive

	@@
	expression E;
	@@
	- E.TREE_IN_RECURSIVE
	+ E.tree_in_recursive

	@@
	expression E;
	@@
	- E.BINARY
	+ E.binary

	@@
	expression E;
	@@
	- E.TEXT
	+ E.text

	@@
	expression E;
	@@
	- E.FULL_INDEX
	+ E.full_index

	@@
	expression E;
	@@
	- E.SILENT_ON_REMOVE
	+ E.silent_on_remove

	@@
	expression E;
	@@
	- E.FIND_COPIES_HARDER
	+ E.find_copies_harder

	@@
	expression E;
	@@
	- E.FOLLOW_RENAMES
	+ E.follow_renames

	@@
	expression E;
	@@
	- E.RENAME_EMPTY
	+ E.rename_empty

	@@
	expression E;
	@@
	- E.HAS_CHANGES
	+ E.has_changes

	@@
	expression E;
	@@
	- E.QUICK
	+ E.quick

	@@
	expression E;
	@@
	- E.NO_INDEX
	+ E.no_index

	@@
	expression E;
	@@
	- E.ALLOW_EXTERNAL
	+ E.allow_external

	@@
	expression E;
	@@
	- E.EXIT_WITH_STATUS
	+ E.exit_with_status

	@@
	expression E;
	@@
	- E.REVERSE_DIFF
	+ E.reverse_diff

	@@
	expression E;
	@@
	- E.CHECK_FAILED
	+ E.check_failed

	@@
	expression E;
	@@
	- E.RELATIVE_NAME
	+ E.relative_name

	@@
	expression E;
	@@
	- E.IGNORE_SUBMODULES
	+ E.ignore_submodules

	@@
	expression E;
	@@
	- E.DIRSTAT_CUMULATIVE
	+ E.dirstat_cumulative

	@@
	expression E;
	@@
	- E.DIRSTAT_BY_FILE
	+ E.dirstat_by_file

	@@
	expression E;
	@@
	- E.ALLOW_TEXTCONV
	+ E.allow_textconv

	@@
	expression E;
	@@
	- E.TEXTCONV_SET_VIA_CMDLINE
	+ E.textconv_set_via_cmdline

	@@
	expression E;
	@@
	- E.DIFF_FROM_CONTENTS
	+ E.diff_from_contents

	@@
	expression E;
	@@
	- E.DIRTY_SUBMODULES
	+ E.dirty_submodules

	@@
	expression E;
	@@
	- E.IGNORE_UNTRACKED_IN_SUBMODULES
	+ E.ignore_untracked_in_submodules

	@@
	expression E;
	@@
	- E.IGNORE_DIRTY_SUBMODULES
	+ E.ignore_dirty_submodules

	@@
	expression E;
	@@
	- E.OVERRIDE_SUBMODULE_CONFIG
	+ E.override_submodule_config

	@@
	expression E;
	@@
	- E.DIRSTAT_BY_LINE
	+ E.dirstat_by_line

	@@
	expression E;
	@@
	- E.FUNCCONTEXT
	+ E.funccontext

	@@
	expression E;
	@@
	- E.PICKAXE_IGNORE_CASE
	+ E.pickaxe_ignore_case

	@@
	expression E;
	@@
	- E.DEFAULT_FOLLOW_RENAMES
	+ E.default_follow_renames

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff.h

@@ -62,37 +62,37 @@ typedef struct strbuf *(*diff_prefix_fn_t)(struct diff_options *opt, void *data)
 
 #define DIFF_FLAGS_INIT { 0 }
 struct diff_flags {
-	unsigned RECURSIVE:1;
-	unsigned TREE_IN_RECURSIVE:1;
-	unsigned BINARY:1;
-	unsigned TEXT:1;
-	unsigned FULL_INDEX:1;
-	unsigned SILENT_ON_REMOVE:1;
-	unsigned FIND_COPIES_HARDER:1;
-	unsigned FOLLOW_RENAMES:1;
-	unsigned RENAME_EMPTY:1;
-	unsigned HAS_CHANGES:1;
-	unsigned QUICK:1;
-	unsigned NO_INDEX:1;
-	unsigned ALLOW_EXTERNAL:1;
-	unsigned EXIT_WITH_STATUS:1;
-	unsigned REVERSE_DIFF:1;
-	unsigned CHECK_FAILED:1;
-	unsigned RELATIVE_NAME:1;
-	unsigned IGNORE_SUBMODULES:1;
-	unsigned DIRSTAT_CUMULATIVE:1;
-	unsigned DIRSTAT_BY_FILE:1;
-	unsigned ALLOW_TEXTCONV:1;
-	unsigned TEXTCONV_SET_VIA_CMDLINE:1;
-	unsigned DIFF_FROM_CONTENTS:1;
-	unsigned DIRTY_SUBMODULES:1;
-	unsigned IGNORE_UNTRACKED_IN_SUBMODULES:1;
-	unsigned IGNORE_DIRTY_SUBMODULES:1;
-	unsigned OVERRIDE_SUBMODULE_CONFIG:1;
-	unsigned DIRSTAT_BY_LINE:1;
-	unsigned FUNCCONTEXT:1;
-	unsigned PICKAXE_IGNORE_CASE:1;
-	unsigned DEFAULT_FOLLOW_RENAMES:1;
+	unsigned recursive:1;
+	unsigned tree_in_recursive:1;
+	unsigned binary:1;
+	unsigned text:1;
+	unsigned full_index:1;
+	unsigned silent_on_remove:1;
+	unsigned find_copies_harder:1;
+	unsigned follow_renames:1;
+	unsigned rename_empty:1;
+	unsigned has_changes:1;
+	unsigned quick:1;
+	unsigned no_index:1;
+	unsigned allow_external:1;
+	unsigned exit_with_status:1;
+	unsigned reverse_diff:1;
+	unsigned check_failed:1;
+	unsigned relative_name:1;
+	unsigned ignore_submodules:1;
+	unsigned dirstat_cumulative:1;
+	unsigned dirstat_by_file:1;
+	unsigned allow_textconv:1;
+	unsigned textconv_set_via_cmdline:1;
+	unsigned diff_from_contents:1;
+	unsigned dirty_submodules:1;
+	unsigned ignore_untracked_in_submodules:1;
+	unsigned ignore_dirty_submodules:1;
+	unsigned override_submodule_config:1;
+	unsigned dirstat_by_line:1;
+	unsigned funccontext:1;
+	unsigned pickaxe_ignore_case:1;
+	unsigned default_follow_renames:1;
 };
 
 static inline void diff_flags_or(struct diff_flags *a,