1 files changed, 1 insertions, 1 deletions
diff --git a/commit.h b/commit.h
index e2c99d9b04..2b1a734388 100644
--- a/commit.h
+++ b/commit.h
@@ -293,7 +293,7 @@ extern const char *find_commit_header(const char *msg, const char *key,
 				      size_t *out_len);
 
 /* Find the end of the log message, the right place for a new trailer. */
-extern int ignore_non_trailer(const char *buf, size_t len);
+extern size_t ignore_non_trailer(const char *buf, size_t len);
 
 typedef int (*each_mergetag_fn)(struct commit *commit, struct commit_extra_header *extra,
 				 void *cb_data);