this assert does not make sense

... as the code apparently can work even if xFormatTypes is empty.

Change-Id: I6b733b9b31329d4fafc745bc23d0f555286950e6
do not use obsolete OSL_VERIFY macro

Change-Id: I8efdd4933d3e47c5e086dc4a4685110390d6b6e8
avoid potential null dereference

Change-Id: I2236a18608ffa9481c30088044f34e1a3372dd11