Add a bunch more missing ENDs to assembler routines.

This isn't everything; I've missed out those x86 files that are

Change-Id: Idb7bb1a68796d6c0b70ea2b5c3300e49da6c62d2
diff --git a/libc/arch-x86/bionic/_setjmp.S b/libc/arch-x86/bionic/_setjmp.S
index ac62635..9221138 100644
--- a/libc/arch-x86/bionic/_setjmp.S
+++ b/libc/arch-x86/bionic/_setjmp.S
@@ -54,6 +54,7 @@
 	movl	%edi,20(%eax)
 	xorl	%eax,%eax
 	ret
+END(_setjmp)
 
 ENTRY(_longjmp)
 	movl	4(%esp),%edx
@@ -69,3 +70,4 @@
 	incl	%eax
 1:	movl	%ecx,0(%esp)
 	ret
+END(_longjmp)