Fixed Decimater when removing priority module

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@85 fdac6126-5c0c-442c-9429-916003d36597

Tools/Decimater/DecimaterT.hh

@@ -127,6 +127,13 @@ public: //--------------------------------------------------- module management
     if (!_mh.is_valid())
       return false;
 
+    if ( cmodule_ == _mh.module() ) {
+      cmodule_     = 0;
+      initialized_ = false; // reset initialized state
+      _mh.clear();
+      return true;
+    }
+
     typename ModuleList::iterator it = std::find(bmodules_.begin(),
              bmodules_.end(),
              _mh.module() );