md5/shaNsum: make -c support a list of files

function                                             old     new   delta
md5_sha1_sum_main                                    455     473     +18

Signed-off-by: Lauri Kasanen <curaga@operamail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
1 file changed