python: cleanup

* python/libmu_py/libmu_py.c (_ro): Remove inline qualifier.
* python/libmu_py/libmu_py.h: Likewise.

@@ -17,7 +17,7 @@
 
 #include "libmu_py.h"
 
-inline PyObject *
+PyObject *
 _ro (PyObject *obj)
 {
   Py_INCREF (obj);

@@ -63,7 +63,7 @@
     }									 \
   while (0)
 
-extern inline PyObject * _ro (PyObject *obj);
+extern PyObject * _ro (PyObject *obj);
 extern void _py_dealloc (PyObject *self);
 extern PyObject * status_object (int status, PyObject *py_obj);
 extern PyObject * _mu_py_attach_module (const char *name, PyMethodDef *methods);