Fix tagging command

Signed-off-by: Michal Čihař <michal@cihar.com>

scripts/create-release

@@ -14,7 +14,7 @@ namever=weblate-$version
 # What are we going to build?
 if [ "x$1" = "x--tag" ] ; then
     rev=$namever
-    git tag -s $rev -m "Version $VERSION"
+    git tag -s $rev -m "Version $version"
 fi
 
 # Compile po files