get_ref_dir(): change signature

diff --git a/dir.h b/dir.h
index 433b5b4cd4c51e9b7557d3056570ed46b7ceba92..dd6947e1d46098732ff1d8c3f23087c1e7163fe9 100644 (file)
--- a/dir.h
+++ b/dir.h
@@ -64,6 +64,7 @@ struct dir_struct {
 #define MATCHED_RECURSIVELY 1
 #define MATCHED_FNMATCH 2
 #define MATCHED_EXACTLY 3
+extern char *common_prefix(const char **pathspec);
 extern int match_pathspec(const char **pathspec, const char *name, int namelen, int prefix, char *seen);
 extern int match_pathspec_depth(const struct pathspec *pathspec,
                                const char *name, int namelen,