Avoid Solaris sh `set -e' bug in vala4.test. * tests/vala4.test: New variable $cwd, holding the full path of the current directory. Use it instead of `pwd` command substitution, to avoid Heirloom/Solaris Sh bug with `set -e'. Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>