Fixed parsing for certain SVG files in IE.
Fixed parsing for certain SVG files in IE.

sokeroner/PreloadJS,dmnsgn/PreloadJS,Teino1978-Corp/Teino1978-Corp-PreloadJS,tehvgg/PreloadJS,cnbin/PreloadJS,tehvgg/PreloadJS,Teino1978-Corp/Teino1978-Corp-PreloadJS,ebabel-eu/PreloadJS,CreateJS/PreloadJS,sokeroner/PreloadJS,cnbin/PreloadJS,SpringRoll/PreloadJS,SpringRoll/PreloadJS,andrew168/PreloadJS,CreateJS/PreloadJS,not-only-code/PreloadJS,andrew168/PreloadJS