• eiscaltdcpp-lib: switch to bundled miniupnpc over ports version

Latest supported version of miniupnpc in eiscaltdcpp repo is 1.9, ports already have 2.x
No PORTREVISION bump 'cause UPNP option is not default and was already unbuildable
after ports goes forward with 1.9+ releases of miniupnpc

PR: 229688
Submitted by: fluffy
Approved by: maintainer timeout (fjoe, 41 day)