Merge branch 'jk/common-main-2.8' into jk/common-main

* jk/common-main-2.8:
  mingw: declare main()'s argv as const
  common-main: call git_setup_gettext()
  common-main: call restore_sigpipe_to_default()
  common-main: call sanitize_stdfds()
  common-main: call git_extract_argv0_path()
  add an extra level of indirection to main()

t/helper/test-sha1-array.c

@@ -6,7 +6,7 @@ static void print_sha1(const unsigned char sha1[20], void *data)
 	puts(sha1_to_hex(sha1));
 }
 
-int main(int argc, char **argv)
+int cmd_main(int argc, const char **argv)
 {
 	struct sha1_array array = SHA1_ARRAY_INIT;
 	struct strbuf line = STRBUF_INIT;