increase version to 2.1.2

Author: AlwinEsch

visualization.milkdrop/addon.xml.in

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <addon
   id="visualization.milkdrop"
-  version="2.1.1"
+  version="2.1.2"
   name="MilkDrop"
   provider-name="Team Kodi">
   <requires>@ADDON_DEPENDS@</requires>