[CentOS] zenity issue with latest Centos 7 update

zenity --width 800 --entry

The window width comes out at 800 as expected, but the bar to type your entry into extends only about 1/4 of the way across the window, instead of all the way across like it did before I did the v1708 update. 

I'm using Centos 7 with Mate.


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