Win32 surface compositor should support DWrite font
_cairo_win32_gdi_compositor_glyphs was falling back to the default implementation for DWrite font because check_glyphs() returned FALSE for CAIRO_FONT_TYPE_DWRITE.
Fixes #597 (closed)
_cairo_win32_gdi_compositor_glyphs was falling back to the default implementation for DWrite font because check_glyphs() returned FALSE for CAIRO_FONT_TYPE_DWRITE.
Fixes #597 (closed)