XamlParser: avoid disposing the reader
XamlParser: avoid disposing the reader

call ToList() so the reader isn't disposed before use.

gabornemeth/vernacular,dsuess/vernacular,rdio/vernacular,dsuess/vernacular,mightea/vernacular,rdio/vernacular,mightea/vernacular,benoitjadinon/vernacular,StephaneDelcroix/vernacular,gabornemeth/vernacular,benoitjadinon/vernacular,StephaneDelcroix/vernacular