meson: Fix building gallium media libs without egl

v2: - rebase on omx fix

Signed-off-by: Dylan Baker <dylan.c.baker@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net> (v1)
diff --git a/meson.build b/meson.build
index 9950ac9..3dc1271 100644
--- a/meson.build
+++ b/meson.build
@@ -1241,7 +1241,9 @@
     endif
     dep_glproto = dependency('glproto', version : '>= 1.4.14')
   endif
-  if with_egl
+  if (with_egl or (
+      with_gallium_vdpau or with_gallium_xvmc or with_gallium_xa or
+      with_gallium_omx != 'disabled'))
     dep_xcb_xfixes = dependency('xcb-xfixes')
   endif
 endif