build: fix build break on Windows

diff --git a/configure b/configure
index 991490c..41e42e2 100755 (executable)
--- a/configure
+++ b/configure
@@ -3659,8 +3659,9 @@ fi
 #
 if test "$gl" = "yes" ; then
   if test "$mingw32" = "yes" ; then
-    echo "ERROR: Virtio GL not supported for Windows"
-    gl="no"
+    echo "CONFIG_VIRTIO_GL=y" >> $config_host_mak
+#    echo "ERROR: Virtio GL not supported for Windows"
+#    gl="no"
   else
     echo "CONFIG_VIRTIO_GL=y" >> $config_host_mak
   fi