[ARM] gnu11 cleanup for aapcs testcases

gcc/testsuite/
   * gcc.target/arm/aapcs/abitest.h: Declare memcpy.

From-SVN: r216675

gcc/testsuite/ChangeLog

+2014-10-24  Jiong Wang  <jiong.wang@arm.com>
+
+	* gcc.target/arm/aapcs/abitest.h: Declare memcpy.
+
 2014-10-24  Marek Polacek  <polacek@redhat.com>
 
 	PR c/56980

gcc/testsuite/gcc.target/arm/aapcs/abitest.h

@@ -49,6 +49,7 @@
 
 
 extern void abort (void);
+extern int memcmp (const void *s1, const void *s2, __SIZE_TYPE__ n);
 
 __attribute__((naked))  void dumpregs () __asm("myfunc");
 __attribute__((naked))  void dumpregs ()