missing include in allascii.c

[Eray Aslan]

postfix-3.1-20150216:
We seem to be missing an #include <string.h> in allascii.c:

[...]
allascii.c: In function ‘allascii_len’:
allascii.c:51:8: warning: incompatible implicit declaration of built-in
function ‘strlen’
  len = strlen(string);
          ^

--- src/util/allascii.c         2015-02-17 00:43:56.000000000 +0000
+++ src/util//allascii.c        2015-02-17 10:01:47.775727110 +0000
@@ -35,6 +35,7 @@
 
 #include <sys_defs.h>
 #include <ctype.h>
+#include <string.h>
 
 /* Utility library. */
 

-- 
Eray