restrict the patch filtering

diff --git a/environment.c b/environment.c
index 49486dd9f161bd8e140c5a1b3346180ded51c069..0151ad07227d20a7f8d4a5c390d77b2aa85ef739 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -21,7 +21,7 @@ int log_all_ref_updates = -1; /* unspecified */
 int warn_ambiguous_refs = 1;
 int repository_format_version;
 char *git_commit_encoding;
-char *git_log_output_encoding;
+const char *git_log_output_encoding;
 int shared_repository = PERM_UMASK;
 const char *apply_default_whitespace;
 int zlib_compression_level = Z_DEFAULT_COMPRESSION;