Fixed an initialization bug in ctkPathLineEdit.

Libs/Widgets/ctkPathLineEdit.cpp

@@ -116,6 +116,9 @@ ctkPathLineEdit::ctkPathLineEdit(QWidget *parentWidget)
 {
   Q_D(ctkPathLineEdit);
   d->init();
+
+  this->setNameFilters(nameFilters());
+  this->setFilters(filters());
 }
 
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