Quell a compiler warning.

diff --git a/showkey.c b/showkey.c
index 51f5e108b926b8ef4843c93a10b0285585b5001b..35db3fac1137af36636a3b0516c9c45a7be6c9d8 100644 (file)
--- a/showkey.c
+++ b/showkey.c
@@ -10,6 +10,7 @@
 #include <signal.h>
 #include <string.h>
 #include <stdbool.h>
+#include <stdlib.h>
 
 #define ALT    0x80
 #define ESC    0x1b