[fglrx-amdcccle-updates] mint 17.1/mate: "administrative" icon installed into mate-control-center inoperable

In 17.1/MATE, after installing through "Control Center | Driver Manager" the fglrx-updates driver (and probably the fglrx driver as well; didn't try) two additional control center icons appear, "AMD Catalyst Control Center" and "AMD Catalyst Control Center (Administrative)", the latter of which fails to execute.

This is due to fragile desktop-environment testing by /usr/bin/amdxdg-su, easily solved/worked-around by adding the GNOME_DESKTOP_SESSION_ID variable to its environment as per the below change to /usr/share/fglrx/amdccclesu.desktop.

Note that the "this-is-deprecated" value is/was a standard value for this variable in GNOME (in which use of said variable is evidently deprecated) which is sure to not actualy disturb anything; the /usr/bin/amdxdg-su script only cares that it's set, not what its value is.

I suppose this is in fact a Mint issue? Upstream's clearly not going to render their own script useless by design, but I assume that Mint/MATE will want this? Don't know if Mint/Cinnamon also needs/wants this...

--- /usr/share/fglrx/amdccclesu.desktop.orig 2015-02-17 03:26:00.233333124 +0100
+++ /usr/share/fglrx/amdccclesu.desktop 2015-02-17 03:28:42.345250624 +0100
@@ -1,7 +1,7 @@
 [Desktop Entry]
 Encoding=UTF-8
 Type=Application
-Exec=amdxdg-su -c amdcccle
+Exec=env GNOME_DESKTOP_SESSION_ID=this-is-deprecated amdxdg-su -c amdcccle
 Categories=GNOME;KDE;GTK;Qt;HardwareSettings;Settings;
 Icon=ccc_large