wxGUI: fix wxPython 4.1 support (#1161)

remove bad sizer flags

gui/wxpython/gui_core/dialogs.py

@@ -368,8 +368,7 @@ class NewVectorDialog(VectorDialog):
                 proportion=0,
                 flag=wx.ALIGN_CENTER_VERTICAL)
             keySizer.AddSpacer(10)
-            keySizer.Add(self.keycol, proportion=0,
-                         flag=wx.ALIGN_RIGHT)
+            keySizer.Add(self.keycol, proportion=0)
             self.dataSizer.Add(keySizer, proportion=1,
                                flag=wx.EXPAND | wx.ALL, border=1)
 

gui/wxpython/modules/import_export.py

@@ -713,7 +713,7 @@ class GdalOutputDialog(wx.Dialog):
         dialogSizer.Add(
             btnSizer,
             proportion=0,
-            flag=wx.ALIGN_CENTER_VERTICAL | wx.BOTTOM | wx.TOP | wx.ALIGN_RIGHT,
+            flag=wx.BOTTOM | wx.TOP | wx.ALIGN_RIGHT,
             border=10)
 
         self.panel.SetAutoLayout(True)