Add #include <ctype.h>. Apparently, this header is no longer included by

the common headers.  This may be related to WL#2936
(pluggable storage engines).

data/data0data.c

@@ -18,6 +18,8 @@ Created 5/30/1994 Heikki Tuuri
 #include "dict0dict.h"
 #include "btr0cur.h"
 
+#include <ctype.h>
+
 #ifdef UNIV_DEBUG
 byte	data_error;	/* data pointers of tuple fields are initialized
 			to point here for error checking */

dict/dict0dict.c

@@ -30,6 +30,8 @@ Created 1/8/1996 Heikki Tuuri
 # include "m_ctype.h" /* my_isspace() */
 #endif /* !UNIV_HOTBACKUP */
 
+#include <ctype.h>
+
 dict_sys_t*	dict_sys	= NULL;	/* the dictionary system */
 
 rw_lock_t	dict_operation_lock;	/* table create, drop, etc. reserve

ut/ut0ut.c

@@ -14,6 +14,7 @@ Created 5/11/1994 Heikki Tuuri
 
 #include <stdarg.h>
 #include <string.h>
+#include <ctype.h>
 
 #include "ut0sort.h"
 #include "trx0trx.h"