1 files changed, 1 insertions, 0 deletions

diff --git a/coreutils/diff.c b/coreutils/diff.c
index c846e2b69..31c20f052 100644
--- a/coreutils/diff.c
+++ b/coreutils/diff.c
@@ -1170,6 +1170,7 @@ static void diffdir(char *p1, char *p2)
 #endif
 
 
+int diff_main(int argc, char **argv);
 int diff_main(int argc, char **argv)
 {
         bool gotstdin = 0;