1 files changed, 1 insertions, 1 deletions
diff --git a/src/comm.c b/src/comm.c
index a1b1f4622..0aaa532a0 100644
--- a/src/comm.c
+++ b/src/comm.c
@@ -211,7 +211,7 @@ compare_files (char **infiles)
   return ret;
 }
 
-void
+int
 main (int argc, char **argv)
 {
   int c;