Llama.cpp fixes router command handling to prevent download state issues.

The official source reports this update: b10924: server: frame the router child state command as a whole line. server: frame the router child state command as a whole line ( #28747 ) The child writes its state commands on stdout while the logger writes on stderr, and both share a single pipe. The logger emits the trailing color reset after the newline of a debug, warn or error entry, so that escape sequence has no newline of its own and the router reads it glued in front of the next command. The line prefix check then fails and the command is forwarded as a log line instead of being handled, which leaves a finished download stuck in the downloading state.