depends: Consistent use of package variable
depends: Consistent use of package variable

All other mk files use the package variable consistently except for the two instances here, which have always been here, since depends was introduced in 0.10.


Former-commit-id: 771a1431416172aa928b1901bbce31a0f74b6d86
syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2