- add missing include of ctype.h

diff --git a/abook.c b/abook.c
index 1ad38caa579005e7673493a7e23464d7226595e1..2f6c2d53437e3fd95e44652f507a304d08955303 100644 (file)
--- a/abook.c
+++ b/abook.c
@@ -8,6 +8,7 @@
 
 #include <errno.h>
 #include <fcntl.h>
+#include <ctype.h>
 #include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>