5574ac5 gfs2-utils: Fix bashism in test script

1 file Authored by Valentin Vidic 5 years ago, Committed by andyp 5 years ago,
    gfs2-utils: Fix bashism in test script
    
    Tests fail when /bin/sh is not /bin/bash due to missing let command:
    
     21: Values of rg_data0, rg_data, rg_bitbytes        FAILED (mkfs.at:146)
     /<<PKGBUILDDIR>>/tests/rgrifieldscheck.sh: 19: let: not found
    
        
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