intg: Do not prefer builddir in PATH
    
    Binary files in builddir are shell wrapper for libtool
    Therefore we should prefer files which are installed in $prefix
    
    Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
    Reviewed-by: Pavel Březina <pbrezina@redhat.com>
    (cherry picked from commit 841bcb5e1f66bb9c41e1884a2ab1dae654def13e)