gfortran.h (struct gfc_symbol): Moving "interface" member to gfc_typespec (plus fixing a small docu error).

	* gfortran.h (struct gfc_symbol): Moving "interface" member to
	gfc_typespec (plus fixing a small docu error).
	* interface.c (gfc_procedure_use): Ditto.
	* decl.c (match_procedure_decl): Ditto.
	* resolve.c (resolve_specific_f0,
	resolve_specific_f0, resolve_symbol): Ditto.

From-SVN: r134867