clean up includes

[z180-stamp.git] / include / common.h

diff --git a/include/common.h b/include/common.h
index 16f96bb0e944bfbffc403979d49e3f16a493a1b2..e89b91f733b207b71c94198359630e40e72278c5 100644 (file)
--- a/include/common.h
+++ b/include/common.h
@@ -10,6 +10,7 @@
 #include <stdio.h>
 #include <stdint.h>
 #include <stdbool.h>
+#include <ctype.h>
 #include <string.h>
 #include <stdlib.h>
 #include "errnum.h"