create_desktop: override name with arg4"

winehelper

@@ -433,10 +433,13 @@ var_ld_library_path_update () {
 }
 
 create_desktop () {
-    local name_desktop="$1"
-    local exe_file="$2"
-    local desktop_filename="$(basename "$exe_file" .exe | sed "s| |_|")"
-    local icon_file
+    local name_desktop exe_file desktop_filename icon_file
+    name_desktop="$1"
+    exe_file="$2"
+    if [[ -n $4 ]] ;
+    then desktop_filename="$4"
+    else desktop_filename="$(basename "$exe_file" .exe | sed "s| |_|")"
+    fi
     if [[ "$RESTORE_FROM_BACKUP" == "1" ]] && [[ -f "$3" ]]
     then icon_file="$3"
     elif [[ -f "$WH_IMAGE_PATH/$3.png" ]]