wx: Update GL generation

OpenGL have not been generated in long time, still generated Xml docs,
and erldoc commetns, update generator to work as expected with newer
inline docs.

Author: dgud

lib/wx/api_gen/gl_gen.erl

@@ -65,12 +65,12 @@ gen_code() ->
     GLDefs  = parse_gl_defs(Opts),
     {GLUDefines,GLUFuncs} = setup(GLUDefs, Opts),
     {GLDefines,GLFuncs}   = setup(GLDefs, Opts),
+    gl_gen_doc:gen(GLFuncs,GLUFuncs),
+    gl_gen_erl:gl_defines(GLDefines),
+    gl_gen_erl:gl_api(GLFuncs, []),
     gl_gen_erl:glu_defines(GLUDefines),
     GluNifs = gl_gen_erl:glu_api(GLUFuncs),
-    gl_gen_erl:gl_defines(GLDefines),
-    gl_gen_erl:gl_api(GLFuncs, GluNifs),
     gl_gen_nif:gen(GLFuncs,GLUFuncs),
-    gl_gen_doc:gen(GLFuncs,GLUFuncs),
     ok.
 
 init_defs(Opts0) ->