Fix renaming icon fonts => font-x-generic in desktop files

diff --git a/src/servicemenus/installfont.desktop b/src/servicemenus/installfont.desktop
index 62a7dba..53fd06b 100644
--- a/src/servicemenus/installfont.desktop
+++ b/src/servicemenus/installfont.desktop
@@ -138,6 +138,6 @@
 #SUSE-Overwrite Name[vi]=C��i �����t
 Name[zh_CN]=������
 Name[zh_TW]=������
-Icon=font-x-generics
+Icon=font-x-generic
 Exec=kfmclient copy %U fonts:/