call base class ctor in copy ctors explicitly (fixes gcc warnings with -Wextra)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@43020 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/tarstrm.cpp

@@ -414,7 +414,8 @@ wxTarEntry::~wxTarEntry()
 }
 
 wxTarEntry::wxTarEntry(const wxTarEntry& e)
-  : m_Name(e.m_Name),
+  : wxArchiveEntry(),
+    m_Name(e.m_Name),
     m_Mode(e.m_Mode),
     m_IsModeSet(e.m_IsModeSet),
     m_UserId(e.m_UserId),

src/msw/bitmap.cpp

@@ -1347,6 +1347,7 @@ wxMask::wxMask()
 
 // Copy constructor
 wxMask::wxMask(const wxMask &mask)
+      : wxObject()
 {
     BITMAP bmp;