broken mingw build

[Kevin Koltzau]

This patch
http://cvs.winehq.org/patch.py?id=12495
seems to have broken the mingw build, currently getting

i386-mingw32msvc-gcc -c -I. -I. -I../../include -I../../include  -D__WINESRC__ -D_REENTRANT -Wall -pipe -fno-strength-reduce -mpreferred-stack-boundary=2 -fno-strict-aliasing -gstabs+ -Wpointer-arith  -g -O2 -o interlocked.o interlocked.c
{standard input}: Assembler messages:
{standard input}:124: Error: unknown pseudo-op: `.previous'
{standard input}:135: Error: unknown pseudo-op: `.previous'
{standard input}:145: Error: unknown pseudo-op: `.previous'
{standard input}:155: Error: unknown pseudo-op: `.previous'
{standard input}:165: Error: unknown pseudo-op: `.previous'
make[2]: *** [interlocked.o] Error 1