scons: Unbreak mingw build.
diff --git a/src/SConscript b/src/SConscript
index 91d1253..0a30838 100644
--- a/src/SConscript
+++ b/src/SConscript
@@ -24,6 +24,7 @@
 if not env['embedded']:
     if env['platform'] not in ['windows', 'darwin']:
         SConscript('glx/SConscript')
+    if env['platform'] not in ['darwin']:
         SConscript('egl/main/SConscript')
         SConscript('glu/sgi/SConscript')