[meld] misc: Guard against dialog props insanity

[Kai Willadsen <kaiw src gnome org>]

commit 6e1b0653d33d72640126a4c08fcb95ce998dd0a7
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sat Sep 27 06:53:31 2014 +1000

    misc: Guard against dialog props insanity

 meld/misc.py |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/meld/misc.py b/meld/misc.py
index 3a48f72..5bed516 100644
--- a/meld/misc.py
+++ b/meld/misc.py
@@ -117,8 +117,13 @@ def run_dialog( text, parent=None, messagetype=Gtk.MessageType.WARNING, buttonst
     d.vbox.set_spacing(12)
     hbox = d.vbox.get_children()[0]
     hbox.set_spacing(12)
-    d.props.image.set_alignment(0.5, 0)
-    d.props.image.set_padding(12, 12)
+    try:
+        d.props.image.set_alignment(0.5, 0)
+        d.props.image.set_padding(12, 12)
+    except AttributeError:
+        # FIXME: This is ridiculous. Possibly distribution-specific patches,
+        # or just... bad things. This needs to go away.
+        pass
     ret = d.run()
     d.destroy()
     return ret