Fixes: lp:1619436

https://bugs.launchpad.net/kicad/+bug/1619436
Eeschema crashes when selecting a text editor from the REC dialog. (Linux Only)
It happens only if a text editor was never selected in Kicad.

eeschema/dialogs/dialog_erc.cpp

@@ -606,10 +606,7 @@ void DIALOG_ERC::TestErc( wxArrayString* aMessagesList )
             return;
 
         if( WriteDiagnosticERC( dlg.GetPath() ) )
-        {
-            Close( true );
             ExecuteFile( this, Pgm().GetEditorName(), QuoteFullPath( fn ) );
-        }
     }
 }