Bug#574725: Workaround

[Dominique Brazziel]

	If all the iceweasel messages are redirected to 
'/dev/null' one can at least save '.xsession-errors' from
filling to the limit so other applications can continue
to output to the file.  Since it doesn't look like the GTK+
people are going to be able to fix the problem any time soon,
I went ahead and did this:

--- iceweasel.bak	2010-06-13 19:49:07.000000000 -0400
+++ iceweasel	2010-06-16 16:06:59.000000000 -0400
@@ -190,4 +190,4 @@
     MOZ_PROGRAM="${ICEWEASEL_DSP} ${MOZ_PROGRAM}"
 fi
 
-exec_verbose ${MOZ_PROGRAM} "$@"
+exec_verbose ${MOZ_PROGRAM} "$@" > /dev/null 2>&1