Fix OpenGL compilation/loading again

gl.erl was compiled with wrong parameters in bootstrap,
and then kept in the release, 3rd time I'm fixing this
hopefully for real now.

If headers/libs are available it should work now.

Author: dgud

lib/wx/src/Makefile

@@ -21,14 +21,7 @@
 #
 
 include ../vsn.mk
-ifdef BOOTSTRAP
- VSN = $(WX_VSN)
- include $(ERL_TOP)/make/target.mk
- include $(ERL_TOP)/make/$(TARGET)/otp.mk
- RELSYSDIR = $(RELEASE_PATH)/lib/wx-$(VSN)
-else # Normal build
- include ../config.mk
-endif
+include ../config.mk
 
 ESRC = .
 EGEN = gen