Fix wxPenInfo ctor compilation with gcc 4.4.7 on CentOS 6

Use template argument when calling the base template class ctor.

include/wx/graphics.h

@@ -143,7 +143,7 @@ public:
     explicit wxGraphicsPenInfo(const wxColour& colour = wxColour(),
                                wxDouble width = 1.0,
                                wxPenStyle style = wxPENSTYLE_SOLID)
-        : wxPenInfoBase(colour, style)
+        : wxPenInfoBase<wxGraphicsPenInfo>(colour, style)
     {
         m_width = width;
     }

include/wx/pen.h

@@ -24,7 +24,7 @@ public:
     explicit wxPenInfo(const wxColour& colour = wxColour(),
                        int width = 1,
                        wxPenStyle style = wxPENSTYLE_SOLID)
-        : wxPenInfoBase(colour, style)
+        : wxPenInfoBase<wxPenInfo>(colour, style)
     {
         m_width = width;
     }