Bug#19407 Test 'func_regexp' fails on Windows x64

regex/regexec.c:
  The Win64 pre-processor evaluates state1 at the end of the chain at replace-time not at definition-time.  This causes states1 to be defined as char *.

regex/regexec.c

@@ -19,7 +19,7 @@ static int nope = 0;		/* for use in asserts; shuts lint up */
 
 /* macros for manipulating states, small version */
 #define	states	long
-#define	states1	states		/* for later use in regexec() decision */
+#define	states1	long		/* for later use in regexec() decision. Ensure Win64 definition is correct.*/
 #define	CLEAR(v)	((v) = 0)
 #define	SET0(v, n)	((v) &= ~((states) 1 << (n)))
 #define	SET1(v, n)	((v) |= (states) 1 << (n))