fix pr65369.c testcase

[DJ Delorie]

Copied the way other tests get uint32_t.  Ok?

        * gcc.c-torture/execute/pr65369.c: Don't assume int is 32 bits.

Index: gcc.c-torture/execute/pr65369.c
===================================================================
--- gcc.c-torture/execute/pr65369.c     (revision 223737)
+++ gcc.c-torture/execute/pr65369.c     (working copy)
@@ -1,7 +1,8 @@
 /* PR tree-optimization/65369 */
+#include <stdint.h>
 
 static const char data[] =
   "12345678901234567890123456789012345678901234567890"
   "123456789012345678901234567890";
 
 __attribute__ ((noinline))
@@ -11,13 +12,13 @@ static void foo (const unsigned int *buf
     __builtin_abort ();
 }
 
 __attribute__ ((noinline))
 static void bar (const unsigned char *block)
 {
-  unsigned int buf[16];
+  uint32_t buf[16];
   __builtin_memcpy (buf +  0, block +  0, 4);
   __builtin_memcpy (buf +  1, block +  4, 4);
   __builtin_memcpy (buf +  2, block +  8, 4);
   __builtin_memcpy (buf +  3, block + 12, 4);
   __builtin_memcpy (buf +  4, block + 16, 4);
   __builtin_memcpy (buf +  5, block + 20, 4);