This test relies on GTK libraries and header files, it is not

buildable on other non-GTK unix builds, like Photon. This change to
the Makefile makes sure this test is only built if GTK is enabled.
r=cls

modules/plugin/Makefile.in

@@ -29,8 +29,14 @@ include $(DEPTH)/config/autoconf.mk
 DIRS		= public nglsrc
 
 ifdef ENABLE_TESTS
+
+# This test relies on GTK libraries and header files, it is not
+#  buildable on other non-GTK uinix builds
+ifdef MOZ_ENABLE_GTK
 DIRS		+= test
 endif
+
+endif
  
 include $(topsrcdir)/config/rules.mk