War on whitespace

This uses "git-apply --whitespace=strip" to fix whitespace errors that have
crept in to our source files over time.  There are a few files that need
to have trailing whitespaces (most notably, test vectors).  The results
still passes the test, and build result in Documentation/ area is unchanged.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin-annotate.c

@@ -22,4 +22,3 @@ int cmd_annotate(int argc, const char **argv, const char *prefix)
 
 	return cmd_blame(argc + 1, nargv, prefix);
 }
-