Add or_fun_call fix

Author: FrancisMurillo

tests/ui/or_fun_call.fixed

@@ -62,7 +62,7 @@ fn or_fun_call() {
     map.entry(42).or_insert_with(String::new);
 
     let mut btree = BTreeMap::<u64, String>::new();
-    btree.entry(42).or_insert_with(String::new);
+    btree.entry(42).or_insert(String::new());
 
     let stringy = Some(String::from(""));
     let _ = stringy.unwrap_or_else(|| "".to_owned());

tests/ui/or_fun_call.stderr

@@ -66,12 +66,6 @@ error: use of `or_insert` followed by a function call
 LL |     map.entry(42).or_insert(String::new());
    |                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(String::new)`
 
-error: use of `or_insert` followed by a function call
-  --> $DIR/or_fun_call.rs:65:21
-   |
-LL |     btree.entry(42).or_insert(String::new());
-   |                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(String::new)`
-
 error: use of `unwrap_or` followed by a function call
   --> $DIR/or_fun_call.rs:68:21
    |
@@ -90,5 +84,5 @@ error: use of `or` followed by a function call
 LL |         .or(Some(Bar(b, Duration::from_secs(2))));
    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_else(|| Some(Bar(b, Duration::from_secs(2))))`
 
-error: aborting due to 15 previous errors
+error: aborting due to 14 previous errors