osm-garmin: add version to map

osm-garmin/app/build-gmap.sh

@@ -9,7 +9,7 @@ cwd="$(pwd)"
 
 function build_gmap() {
     region="$1"
-    region_id="$2" # BUG: We're not actually using this anywhere!
+    region_id="$2"
     style="$3"
     country_abbr="$4"
     country_name="$5"
@@ -51,6 +51,8 @@ function build_gmap() {
 
         exec_mkgmap \
             --gmapsupp \
+            --product-id=$region_id \
+            --product-version=$version_id \
             --area-name="$area_name" \
             --country-abbr="$country_abbr" \
             --description="$(echo "${region##*/}" | sed -e "s/-/ /g" | sed -e "s/\b\(.\)/\u\1/g" | sed -e "s/ /-/g")" \