1 files changed, 1 insertions, 0 deletions
diff --git a/cache.h b/cache.h
index 96840c7af7..71a731dbc9 100644
--- a/cache.h
+++ b/cache.h
@@ -396,6 +396,7 @@ extern const char *setup_git_directory_gently(int *);
 extern const char *setup_git_directory(void);
 extern const char *prefix_path(const char *prefix, int len, const char *path);
 extern const char *prefix_filename(const char *prefix, int len, const char *path);
+extern int check_filename(const char *prefix, const char *name);
 extern void verify_filename(const char *prefix, const char *name);
 extern void verify_non_filename(const char *prefix, const char *name);