Document wxGenericAnimationCtrl XRC handler and it to XRC schema

It's actually the same handler as for wxAnimationCtrl, but it still
needs to be mentioned in the XRC format description and recognized by
its schema.

misc/schema/xrc_schema.rnc

@@ -189,6 +189,7 @@ builtinWindowClasses =
     | wxFontPickerCtrl
     | wxFrame
     | wxGauge
+    | wxGenericAnimationCtrl
     | wxGenericDirCtrl
     | wxGrid
     | wxHtmlWindow
@@ -290,6 +291,7 @@ builtinClassesNames =
     | "wxFontPickerCtrl"
     | "wxFrame"
     | "wxGauge"
+    | "wxGenericAnimationCtrl"
     | "wxGenericDirCtrl"
     | "wxGrid"
     | "wxHtmlWindow"
@@ -986,6 +988,16 @@ wxGauge =
     }
 
 
+wxGenericAnimationCtrl =
+    element object {
+        attribute class { "wxGenericAnimationCtrl" } &
+        stdObjectNodeAttributes &
+        stdWindowProperties &
+        [xrc:p="o"] element animation       {_, t_url }* &
+        [xrc:p="o"] element inactive-bitmap {_, t_bitmap }*
+    }
+
+
 wxGenericDirCtrl =
     element object {
         attribute class { "wxGenericDirCtrl" } &