e20cd79 server: add ~ to the list of allowed characters

Authored and Committed by Yuval Turgeman 4 years ago
    server: add ~ to the list of allowed characters
    
    Some packages are built with a release that includes the ~ character,
    make sure odcs does not fail on those
    
    Signed-off-by: Yuval Turgeman <yturgema@redhat.com>