gallium: Fix scons condition for building the xlib winsys.

diff --git a/src/gallium/winsys/SConscript b/src/gallium/winsys/SConscript
index 635a68eea2cd9340350af170c6a5a6d3e3340d06..f18d3bd2f8e77b45cc56a49edf200476331a321d 100644 (file)
--- a/src/gallium/winsys/SConscript
+++ b/src/gallium/winsys/SConscript
@@ -5,7 +5,7 @@ if dri:
                'dri/SConscript',
        ])
        
-if 'xlib' in env['drivers'] and not dri:
+if 'xlib' in env['winsys'] and not dri:
        SConscript([
                'xlib/SConscript',
        ])