Fix compilation: take 2

Change-Id: I1f1f2c8dee1afc768633af074af650bdfd200a2a
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/qmakeprojectmanager/profilehoverhandler.h

@@ -38,7 +38,7 @@ namespace Internal {
 class ProFileHoverHandler : public TextEditor::BaseHoverHandler
 {
 public:
-    explicit ProFileHoverHandler();
+    ProFileHoverHandler();
 
 private:
     void identifyMatch(TextEditor::TextEditorWidget *editorWidget, int pos) override;