tls: fix leak on invalid protocol method #238

Job	Run time
Build slim tarball	1m 41s
x86_64-darwin: with shared libraries	40m 59s
aarch64-linux: with shared libraries	24m 2s
x86_64-linux: with shared libraries	28m 57s
aarch64-darwin: with shared libraries	23m 3s
	1h 58m 42s

Provide feedback