Revert "Disable d3d11"

This reverts commit 507d780582.

gstreamer1-plugins-bad-free.spec

@@ -307,7 +307,7 @@ aren't tested well enough, or the code is not of good enough quality.
     %{!?with_extras:-D musepack=disabled } \
     -D svthevcenc=disabled -D voaacenc=disabled \
     -D zxing=disabled -D wpe=disabled -D x11=disabled \
-    -D aja=disabled -D d3d11=disabled \
+    -D aja=disabled \
 %ifarch s390x
     -D ldac=disabled 		 		\
 %else