devel/drpython: Remove wx.HIDE_READONLY attribute from wx.FileDialog

This attribute has been removed for wxPython 3.0.  Remove the flag
to fix runtime error during saving and loading.  See similar report on
DrPython bug report 137.

PR:		201699
Submitted by:	Jordan Irwin

devel/drpython/Makefile

@@ -3,7 +3,7 @@
 
 PORTNAME=	drpython
 PORTVERSION=	3.11.4
-PORTREVISION=	6
+PORTREVISION=	7
 CATEGORIES=	devel python
 MASTER_SITES=	SF/${PORTNAME}/DrPython%20%283.x%29/${PORTVERSION}
 PKGNAMESUFFIX=	${PYTHON_PKGNAMESUFFIX}

devel/drpython/files/patch-drFileDialog.py

@@ -0,0 +1,13 @@
+--- drFileDialog.py.orig	2015-07-19 21:30:17 UTC
++++ drFileDialog.py
+@@ -1026,8 +1026,8 @@ class drWxFileDialog(wx.FileDialog):
+ def FileDialog(parent, title, wildcard, point=(0, 0), size=wx.DefaultSize, IsASaveDialog=0, MultipleSelection=0, ShowRecentFiles=0):
+         if parent.prefs.usewxfiledialog:
+             if IsASaveDialog:
+-                return drWxFileDialog(parent, title, "", "", wildcard, wx.SAVE|wx.HIDE_READONLY|wx.OVERWRITE_PROMPT)
++                return drWxFileDialog(parent, title, "", "", wildcard, wx.FD_SAVE|wx.FD_OVERWRITE_PROMPT)
+             else:
+-                return drWxFileDialog(parent, title, "", "", wildcard, wx.OPEN|wx.HIDE_READONLY|wx.MULTIPLE)
++                return drWxFileDialog(parent, title, "", "", wildcard, wx.FD_OPEN|wx.FD_MULTIPLE)
+         else:
+             return drFileDialog(parent, title, wildcard, point, size, IsASaveDialog, MultipleSelection, ShowRecentFiles)