isdigit() is declared in ctype.h, include it

Signed-off-by: Tobias Ulmer <tu@emlix.com>

diff --git a/generic/le2lib.c b/generic/le2lib.c
index 0d958e50eabf8eeb4519ed5488440835a8b2e8f5..2cd5ea677306db84117524ef56b3549995ec4c75 100644 (file)
--- a/generic/le2lib.c
+++ b/generic/le2lib.c
@@ -39,6 +39,7 @@
 #include <string.h>
 #include <poll.h>
 #include <fcntl.h>
+#include <ctype.h>
 
 #include <lua.h>
 #include <lualib.h>