sha1-x86_64: fix CFI.

This issue only arises when SHAEXT is enabled, which it isn't (yet).
Will upstream too.

Change-Id: I92de51789d58ba1784b88eb872b1f9eca8eb78d8
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/41944
Commit-Queue: David Benjamin <davidben@google.com>
Reviewed-by: David Benjamin <davidben@google.com>
diff --git a/crypto/fipsmodule/sha/asm/sha1-x86_64.pl b/crypto/fipsmodule/sha/asm/sha1-x86_64.pl
index 0b0c151..76e4077 100755
--- a/crypto/fipsmodule/sha/asm/sha1-x86_64.pl
+++ b/crypto/fipsmodule/sha/asm/sha1-x86_64.pl
@@ -453,8 +453,8 @@
 .Lepilogue_shaext:
 ___
 $code.=<<___;
-.cfi_endproc
 	ret
+.cfi_endproc
 .size	sha1_block_data_order_shaext,.-sha1_block_data_order_shaext
 ___
 }}}