Mesa (master): configure: remove trailing "-a" in swr architecture test

[Tim Rowley]

Module: Mesa
Branch: master
Commit: 4d9b0dcccb81ad10113d9aef52b4c84496e879f1
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=4d9b0dcccb81ad10113d9aef52b4c84496e879f1

Author: Tim Rowley <timothy.o.rowley at intel.com>
Date:   Thu Aug 10 12:58:57 2017 -0500

configure: remove trailing "-a" in swr architecture test

Fixes "configure: line 27326: test: argument expected"

CC: mesa-stable at lists.freedesktop.org
Reviewed-by: Matt Turner <mattst88 at gmail.com>

---

 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index d2704bce05..f131788e3a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2545,7 +2545,7 @@ if test -n "$with_gallium_drivers"; then
             if test "x$HAVE_SWR_AVX" != xyes -a \
                     "x$HAVE_SWR_AVX2" != xyes -a \
                     "x$HAVE_SWR_KNL" != xyes -a \
-                    "x$HAVE_SWR_SKX" != xyes -a; then
+                    "x$HAVE_SWR_SKX" != xyes; then
                AC_MSG_ERROR([swr enabled but no swr architectures selected])
             fi