x86: Fix a bogus unwind annotation in lib/semaphore_32.S

'simple' would have required specifying current frame address
and return address location manually, but that's obviously not
the case (and not necessary) here.
Signed-off-by: NJan Beulich <jbeulich@novell.com>
LKML-Reference: <4D6D1082020000780003454C@vpn.id2.novell.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

arch/x86/lib/semaphore_32.S

@@ -36,7 +36,7 @@
  */
 #ifdef CONFIG_SMP
 ENTRY(__write_lock_failed)
-	CFI_STARTPROC simple
+	CFI_STARTPROC
 	FRAME
 2: 	LOCK_PREFIX
 	addl	$ RW_LOCK_BIAS,(%eax)