Fixed Desktop Entry

Removed icon key and changed caption to qwindowtitle as explained in the
porting guide

BUG: 341499
FIXED-IN: 14.12.1

kig/kig.desktop

@@ -192,7 +192,7 @@ Comment[vi]=Khám phá các phép Dụng Hình học
 Comment[x-test]=xxExplore Geometric Constructionsxx
 Comment[zh_CN]=探索几何构造
 Comment[zh_TW]=作出幾何圖形
-Exec=kig %U %i -caption %c
+Exec=kig %U --qwindowtitle %c
 MimeType=application/x-kig;application/x-kgeo;
 Icon=kig
 Type=Application