1 files changed, 1 insertions, 0 deletions

diff --git a/coreutils/tr.c b/coreutils/tr.c
index 237ade047..cea3b05b6 100644
--- a/coreutils/tr.c
+++ b/coreutils/tr.c
@@ -193,6 +193,7 @@ static int complement(char *buffer, int buffer_len)
         return ix;
 }
 
+int tr_main(int argc, char **argv);
 int tr_main(int argc, char **argv)
 {
         unsigned char *ptr;