Use vec macro instead of mut and push

Clippy emits:

 warning: calls to `push` immediately after creation

As suggested, use `vec![]`.

Author: tcharding

src/policy/compiler.rs

@@ -895,12 +895,12 @@ where
             };
 
             let dissat_probs = |w: f64| -> Vec<Option<f64>> {
-                let mut dissat_set = Vec::new();
-                dissat_set.push(Some(dissat_prob.unwrap_or(0 as f64) + w * sat_prob));
-                dissat_set.push(Some(w * sat_prob));
-                dissat_set.push(dissat_prob);
-                dissat_set.push(None);
-                dissat_set
+                vec![
+                    Some(dissat_prob.unwrap_or(0 as f64) + w * sat_prob),
+                    Some(w * sat_prob),
+                    dissat_prob,
+                    None,
+                ]
             };
 
             let mut l_comp = vec![];