Add proper quoting

bin/notifirc

     local suff=""
     while true;
     do
-        test $lines_read -ge $limit_l && break
+        test $lines_read -ge "$limit_l" && break
         IFS= read -r line || break
         (( lines_read++ ))
-        test ${#line} -gt $limit_c && suff=…
+        test ${#line} -gt "$limit_c" && suff=…
         line=${line:0:$limit_c}$suff
         echo "$line"
     done