gobject-2.0: Add lower_case_csuffix attributes to Type* symbols
gobject-2.0: Add lower_case_csuffix attributes to Type* symbols

GNOME/vala,frida/vala,frida/vala,GNOME/vala,frida/vala,GNOME/vala,GNOME/vala,frida/vala,frida/vala