Add .cfi_startproc/.cfi_endproc to ENTRY/END.

Bug: 10414953
Change-Id: I711718098b9f3cc0ba8277778df64557e9c7b2a0
diff --git a/libc/arch-x86/string/bcopy.S b/libc/arch-x86/string/bcopy.S
index dde5ae1..40df1d0 100644
--- a/libc/arch-x86/string/bcopy.S
+++ b/libc/arch-x86/string/bcopy.S
@@ -38,15 +38,13 @@
 	 *  ws@tools.de     (Wolfgang Solfrank, TooLs GmbH) +49-228-985800
 	 */
 
-#ifdef MEMCOPY
+#if defined(MEMCOPY)
 ENTRY(memcpy)
-#else
-#ifdef MEMMOVE
+#elif defined(MEMMOVE)
 ENTRY(memmove)
 #else
 ENTRY(bcopy)
 #endif
-#endif
 	pushl	%esi
 	pushl	%edi
 #if defined(MEMCOPY) || defined(MEMMOVE)
@@ -91,3 +89,10 @@
 	popl	%esi
 	cld
 	ret
+#if defined(MEMCOPY)
+END(memcpy)
+#elif defined(MEMMOVE)
+END(memmove)
+#else
+END(bcopy)
+#endif