Add .cfi_startproc/.cfi_endproc to ENTRY/END.

Bug: 10414953
Change-Id: I711718098b9f3cc0ba8277778df64557e9c7b2a0
diff --git a/libc/arch-x86_64/bionic/_setjmp.S b/libc/arch-x86_64/bionic/_setjmp.S
index d9a59f7..e9b8dbb 100644
--- a/libc/arch-x86_64/bionic/_setjmp.S
+++ b/libc/arch-x86_64/bionic/_setjmp.S
@@ -63,6 +63,7 @@
 
 	xorl	%eax,%eax
 	ret
+END(_setjmp)
 
 ENTRY(_longjmp)
 	movq    (_JB_RBX * 8)(%rdi),%rbx
@@ -80,3 +81,4 @@
 	incl	%eax
 1:	movq	%r11,0(%rsp)
 	ret
+END(_longjmp)