f8ad7a3 multiboot2: Fix memory leak if grub_create_loader_cmdline() fails

1 file Authored by Konrad Rzeszutek Wilk 3 years ago, Committed by Daniel Kiper 3 years ago,
    multiboot2: Fix memory leak if grub_create_loader_cmdline() fails
    
    Fixes: CID 292468
    
    Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
    Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>