Include ctype.h.

diff --git a/src/editfns.c b/src/editfns.c
index 71cb8fb744f543e7cc218a9bc00fcb3a92dddd1e..ffe52fe0b19ac3ca2393976aed493180ec71d590 100644 (file)
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -33,6 +33,8 @@ Boston, MA 02111-1307, USA.  */
 #include <unistd.h>
 #endif
 
+#include <ctype.h>
+
 #include "lisp.h"
 #include "intervals.h"
 #include "buffer.h"