#2 ffsb_fs.c: multiple problems with % specifiers

[dcb]

ffsb_fs.c:600:5: warning: unknown conversion type character ')' in format [-Wformat=]

Source code is

        printf("\t\t %12llu (%6s) -> %u (%.2f\%)\n",

Use %% for %, not \%

ffsb_fs.c:616:2: warning: unknown conversion type character 0xa in format [-Wformat=]
ffsb_fs.c:618:3: warning: unknown conversion type character 0xa in format [-Wformat=]

Duplicates.