[newlib-cygwin] Cygwin: fix GCC 8.3 'asm volatile' errors

[Ken Brown]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=81421eda7d408fe856319214332120fdbc8879c0

commit 81421eda7d408fe856319214332120fdbc8879c0
Author: Ken Brown <kbrown@cornell.edu>
Date:   Mon Jul 15 15:59:41 2019 -0400

    Cygwin: fix GCC 8.3 'asm volatile' errors
    
    Remove the volatile qualifier, which is no longer allowed outside of
    the function body.  See
    https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89585 for discussion.

Diff:
---
 winsup/cygwin/miscfuncs.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/winsup/cygwin/miscfuncs.cc b/winsup/cygwin/miscfuncs.cc
index e02bc9c..0bbf497 100644
--- a/winsup/cygwin/miscfuncs.cc
+++ b/winsup/cygwin/miscfuncs.cc
@@ -724,7 +724,7 @@ err:
    See FreeBSD src/lib/libc/amd64/string/memset.S
    and FreeBSD src/lib/libc/amd64/string/bcopy.S */
 
-asm volatile ("								\n\
+asm ("								\n\
 /*									\n\
  * Written by J.T. Conklin <jtc@NetBSD.org>.				\n\
  * Public domain.							\n\
@@ -791,7 +791,7 @@ L1:     rep								\n\
 	.seh_endproc							\n\
 ");
 
-asm volatile ("								\n\
+asm ("								\n\
 /*-									\n\
  * Copyright (c) 1990 The Regents of the University of California.	\n\
  * All rights reserved.							\n\