qibuild.command: small bug fix
qibuild.command: small bug fix

We did nothing with the full path we found in
build_env["PATH"] ...

aldebaran/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild