* glib/poppler-page.cc:
	* poppler/Gfx.cc:
	* poppler/GfxFont.cc:
	* poppler/GfxFont.h:
	* poppler/GfxState.cc:
	* poppler/TextOutputDev.cc: Patch from Gary Coady to add reference
	counting to GfxFont so we don't crash on text selection.