result of argument type check was ignored in FuseInvalidate(), fix it

ChangeLog

@@ -7,6 +7,8 @@
           21 to 26
            - Credits: aggregated from contributions, code snippets and ideas of
              Simon Barner, Csaba Henk, Roman Shterenzon and Miklos Szeredi
+        * Result of argument type check was ignored in FuseInvalidate(), fix
+	  it
 
 2006-02-03  Sebastien Delafond <sdelafond@gmx.net>
   

_fusemodule.c

@@ -594,12 +594,13 @@ static PyObject *FuseInvalidate( PyObject *self, PyObject *args) {
 	PyObject *ret;
 	int err;
 
-	PyString_Check(args);
+	if(!PyString_Check(args)) { err = -EINVAL; goto OUT; }
 
 	path = PyString_AsString(args);
 
 	err = fuse_invalidate(fuse, path);
 
+OUT:
 	ret = PyInt_FromLong(err);
 
 	return(ret);