Use g_slice for remaining pieces of g_new (*, 1)
Submitted by Behdad Esfahbod
Link to original bug (#474700)
Description
These ones look like should be convertable:
pangowin32.c: info = g_new0 (PangoWin32GlyphInfo, 1); pangowin32.c: info = g_new (PangoWin32MetricsInfo, 1); pangowin32-fontmap.c: size_info = g_new (PangoWin32SizeInfo, 1);