Mesa (master): configure.ac: fix bashism

[Matt Turner]

Module: Mesa
Branch: master
Commit: 52e4e4712f0da7e7e1d1164d9487f2d38f80c441
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=52e4e4712f0da7e7e1d1164d9487f2d38f80c441

Author: Tobias Nygren <tnn at NetBSD.org>
Date:   Fri Apr 17 20:18:48 2015 +0200

configure.ac: fix bashism

Reviewed-by: Matt Turner <mattst88 at gmail.com>
Signed-off-by: Tobias Nygren <tnn at NetBSD.org>

---

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

diff --git a/configure.ac b/configure.ac
index 6ccf3b4..325b936 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1641,7 +1641,7 @@ if test "x$enable_nine" = xyes; then
     if ! echo "$with_gallium_drivers" | grep -q 'swrast'; then
         AC_MSG_ERROR([nine requires the gallium swrast driver])
     fi
-    if test "x$with_gallium_drivers" == xswrast; then
+    if test "x$with_gallium_drivers" = xswrast; then
         AC_MSG_ERROR([nine requires at least one non-swrast gallium driver])
     fi
     if test "x$enable_dri3" = xno; then