Restore the #if around the ui_module declaration, this made compiled fail

with python 2.5 (< 3.0).

source/blender/python/intern/bpy_ui.c

@@ -285,6 +285,7 @@ static struct PyMethodDef ui_methods[] = {
 	{NULL, NULL, 0, NULL}
 };
 
+#if PY_VERSION_HEX >= 0x03000000
 static struct PyModuleDef ui_module = {
 	PyModuleDef_HEAD_INIT,
 	"bpyui",
@@ -293,6 +294,7 @@ static struct PyModuleDef ui_module = {
 	ui_methods,
 	NULL, NULL, NULL, NULL
 };
+#endif
 
 PyObject *BPY_ui_module( void )
 {