fixed opengl loader for win32;

bite.c

···
     }
 
     int gl_attribs[] = {
-        WGL_CONTEXT_MAJOR_VERSION_ARB, 2,
-        WGL_CONTEXT_MINOR_VERSION_ARB, 1,
+        WGL_CONTEXT_MAJOR_VERSION_ARB, 3,
+        WGL_CONTEXT_MINOR_VERSION_ARB, 0,
         WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB,
         0, 0
     };
···
         fprintf(stderr, "Failed to load OpenGL32.dll\n");
         return BITE_ERROR;
     }
+    _proc_address = (void*(*)(const char*))GetProcAddress(_gl_sym, "wglGetProcAddress");
 #else
     #if defined(__APPLE__)
         const char *names[] = {
···
         }
     }
     
-    fprintf(stdout, "OpenGL: %s\n", version);
+    fprintf(stderr, "OpenGL: %s\n", version);
 
     GET_GL_PROC(glGenVertexArrays);
     GET_GL_PROC(glBindVertexArray);
···
         sym = (void*)dlsym(_gl_sym, name);
 #endif
     }
+    fprintf(stderr, "%s: %p\n", name, sym);
     return sym;
 }