Fix lack of executable for matlab.

2017/day-06/input.txt

@@ -0,0 +1 @@
+11	11	13	7	0	15	5	5	4	4	1	1	7	1	15	11

2017/day-06/solve.m

@@ -0,0 +1,7 @@
+#!/usr/bin/env octave-cli
+data = input('', 's');
+data = sscanf(data, '%d');
+
+[cycles,state] = solution(data);
+cycles
+[cycles,~] = solution(state)