Update install.sh

Author: kroese

src/install.sh

@@ -620,11 +620,11 @@ updateXML() {
   local language="$2"
   local culture region user admin pass keyboard
 
-  [ -z "$YRES" ] && YRES="720"
-  [ -z "$XRES" ] && XRES="1280"
+  [ -z "$HEIGHT" ] && HEIGHT="720"
+  [ -z "$WIDTH" ] && WIDTH="1280"
 
-  sed -i "s/<VerticalResolution>1080<\/VerticalResolution>/<VerticalResolution>$YRES<\/VerticalResolution>/g" "$asset"
-  sed -i "s/<HorizontalResolution>1920<\/HorizontalResolution>/<HorizontalResolution>$XRES<\/HorizontalResolution>/g" "$asset"
+  sed -i "s/<VerticalResolution>1080<\/VerticalResolution>/<VerticalResolution>$HEIGHT<\/VerticalResolution>/g" "$asset"
+  sed -i "s/<HorizontalResolution>1920<\/HorizontalResolution>/<HorizontalResolution>$WIDTH<\/HorizontalResolution>/g" "$asset"
 
   culture=$(getLanguage "$language" "culture")