Merge branch 'fixconf1' into 'master'

Define default value for Picture::m_numSubPic

See merge request jvet/VVCSoftware_VTM!2781

source/Lib/CommonLib/Picture.h

@@ -203,7 +203,7 @@ public:
   PelStorage m_bufSubPicBelow;
   PelStorage m_bufSubPicLeft;
   PelStorage m_bufSubPicRight;
-  int m_numSubPic;
+  int m_numSubPic = 1;
 
   PelStorage m_bufWrapSubPicAbove;
   PelStorage m_bufWrapSubPicBelow;