Update option1.rs

Author: sanjaykdragon

exercises/option/option1.rs

@@ -15,7 +15,7 @@ fn main() {
     let mut numbers: [Option<u16>; 5];
     for iter in 0..5 {
         let number_to_add: u16 = {
-            ((iter * 5) + 2) / (4 * 16);
+            ((iter * 5) + 2) / (4 * 16)
         };
 
         numbers[iter] = number_to_add;