gsf_input_mmap_new introspection issue
GIR recognize it has being constructor of GsfInput, which is abstract. So we have warnings in GIR/vala etc:
Gsf-1.gir:2141.7-2143.21: warning: Creation method of abstract class cannot be public.
I can't find a way to annotate the symbol to move it under the GsfInputMemory class.
Other solutions I can think of would break API.