cosmetics
ep, message: fix two occasions of return-before-unlock
do not fail sending a broadcast message when seeing an unconnected client
test: add fuzzer
message: fix check for empty message list
fuzzer: more random operations
fuzzer: print error codes
fuzzer: fix error output
test-kdbus-fuzz: reset errno to print "Success"
Makefile: clean up generated files in test/

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
delete the portal code, it's no longer needed.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>