Boris Barbulovski

Fix memory leak.

1

Free allocated buffer on file read error. detected by cppcheck.

Remove extra `goto error;` statement,

Add unix/linux abstract socket address feature.

1

Add possibility for abstract socket address, so that socket will not exist on filesystem. In order to create abstract socket address simply use name that will start with `*`. `*tmp/sock`...

1. Move compiler change feature from Makefile variable to make parameter. 2. Fix compiler warnings.