mal-dnssearch.sh: malips list has carriage returns

The malips list has carriage returns in it. These should be removed
so the text is formatted properly.

$ ./mal-dnssearch.sh -M malips -p | head -n 1| hexdump -c
...

0000000   1   0   0   .   4   2   .   5   0   .   1   1   0  \r  \n
000000f

[Reported-by] James Lay <DigiAngel>