(Wii) Bump up to version 1.2.2

Author: inactive123

wii/pkg/meta.xml

@@ -2,7 +2,7 @@
 <app version="1">
   <name>RetroArch</name>
   <coder>Libretro</coder>
-  <version>1.2.1</version>
+  <version>1.2.2</version>
   <release_date>2012-2015</release_date>
   <short_description>The cross-platform entertainment system</short_description> 
   <long_description>A port of RetroArch to the GameCube/Wii.</long_description>