Make sure we only depend on ddraw_test if X support is enabled

http://bugs.gentoo.org/107870 (among others)
http://bugs.winehq.org/show_bug.cgi?id=3480

--- wine/programs/winetest/Makefile.in
+++ wine/programs/winetest/Makefile.in
@@ -18,12 +18,13 @@
 RC_BINSRC = winetest.rc
 RC_BINARIES = wine.ico 
 
+XFILES = ddraw_test.exe$(DLLEXT)
 TESTBINS = \
+	@XFILES@ \
 	advpack_test.exe$(DLLEXT) \
 	advapi32_test.exe$(DLLEXT) \
 	comctl32_test.exe$(DLLEXT) \
 	crypt32_test.exe$(DLLEXT) \
-	ddraw_test.exe$(DLLEXT) \
 	dinput_test.exe$(DLLEXT) \
 	dsound_test.exe$(DLLEXT) \
 	gdi32_test.exe$(DLLEXT) \