1 files changed, 1 insertions, 0 deletions

diff --git a/games/grdc/grdc.c b/games/grdc/grdc.c
index d5dc086748ff..881428f0e2a7 100644
--- a/games/grdc/grdc.c
+++ b/games/grdc/grdc.c
@@ -40,6 +40,7 @@ int hascolor = 0;
 void set(int, int);
 void standt(int);
 void movto(int, int);
+void sighndl(int);
 
 void sighndl(signo)
 int signo;