gtktiledviewer: cid#1351757 uninitialized members

Change-Id: Ifb48dc528e95519097477faf79b10e3e7637869d

libreofficekit/qa/gtktiledviewer/gtktiledviewer.cxx

@@ -151,6 +151,8 @@ public:
         m_pCenterpara(nullptr),
         m_pRightpara(nullptr),
         m_pJustifypara(nullptr),
+        m_pInsertAnnotation(nullptr),
+        m_pDeleteComment(nullptr),
         m_pFormulabarEntry(nullptr),
         m_pScrolledWindow(nullptr),
         m_bToolItemBroadcast(true),