Fix tidy errors

Author: Aaron1011

src/test/ui/never-fallback/obj.rs

@@ -10,15 +10,15 @@ fn unconstrained_return<T>() -> Result<T, String> {
 }
 
 fn foo() {
-    let a = || { 
-        match unconstrained_return::<_>() { //~ ERROR Fallback to `!` may introduce undefined behavior
+    let a = || {
+        match unconstrained_return::<_>() { //~ ERROR Fallback to `!` may introduce undefined
             Ok(x) => x,  // `x` has type `_`, which is unconstrained
             Err(s) => panic!(s),  // … except for unifying with the type of `panic!()`
             // so that both `match` arms have the same type.
             // Therefore `_` resolves to `!` and we "return" an `Ok(!)` value.
         }
     };
-    
+
     let cast: &dyn FnOnce() -> _ = &a;
     println!("Return type: {:?}", get_type(cast));
 }

src/test/ui/never-fallback/obj_implicit.rs

@@ -10,15 +10,15 @@ fn unconstrained_return<T>() -> Result<T, String> {
 }
 
 fn foo() {
-    let a = || { 
+    let a = || {
         match unconstrained_return() { //~ ERROR Fallback to `!` may introduce undefined behavior
             Ok(x) => x,  // `x` has type `_`, which is unconstrained
             Err(s) => panic!(s),  // … except for unifying with the type of `panic!()`
             // so that both `match` arms have the same type.
             // Therefore `_` resolves to `!` and we "return" an `Ok(!)` value.
         }
     };
-    
+
     let cast: &dyn FnOnce() -> _ = &a;
     println!("Return type: {:?}", get_type(cast));
 }