Fixed icons highlighting in moodin engine. This resolve bug 2009.

(cherry picked from commit 3b45645a64)
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

src/thememoodin.h

@@ -55,12 +55,12 @@ public:
     TQStringList l;
 
     l << "filetypes"; // 1 filetypes
-    l << "exec"; // 2 exec
+    l << "application-x-executable"; // 2 application-x-executable
     l << "key_bindings"; // 3 key_bindings
     l << "window_list"; // 4 window_list
     l << "desktop"; // 5 desktop
     l << "style"; // 6 style
-    l << "kcmsystem"; // 7 kcmsystem
+    l << "preferences-system"; // 7 preferences-system
     l << "go"; // 8 go
 
     return l;