rtrlib/pfx/pfx.h: fixed pfx_table_remove_from_origin(..) prototype, added const keyword to pfx_table_init's update_fp_len parameter
rtrlib/pfx/pfx.h: fixed pfx_table_remove_from_origin(..) prototype, added const keyword to pfx_table_init's update_fp_len parameter

rtrlib/rtrlib,rtrlib/rtrlib,rtrlib/rtrlib