Fix pkg packaging with beta domain

Author: TheOneRing

OPENCLOUD.cmake

@@ -10,7 +10,7 @@ if(BETA_CHANNEL_BUILD)
     set( APPLICATION_SHORTNAME  "${APPLICATION_SHORTNAME} Beta" )
     set( APPLICATION_EXECUTABLE "${APPLICATION_EXECUTABLE}_beta" )
     set( APPLICATION_VENDOR     "${APPLICATION_VENDOR} Beta" )
-    set( APPLICATION_REV_DOMAIN "${APPLICATION_REV_DOMAIN}_beta" )
+    set( APPLICATION_REV_DOMAIN "${APPLICATION_REV_DOMAIN}.beta" )
 endif()
 # TODO: re enable once we got icons
 #set( MAC_INSTALLER_BACKGROUND_FILE "${CMAKE_SOURCE_DIR}/admin/osx/installer-background.png")