wxGUI/ATM: db.select - overwrite output tmp file

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@52681 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/dbmgr/base.py

@@ -172,6 +172,7 @@ class VirtualAttributeList(wx.ListCtrl,
         
         if sql:
             ret = RunCommand('db.select',
+                             overwrite = True,
                              quiet = True,
                              parent = self,
                              flags = 'c',