Rust: fix formatting of code snippet in docstring

Author: Paolo Tranquilli

rust/.generated.list

@@ -8,8 +8,7 @@ private import codeql.rust.generated.Function
 /**
  * A function declaration. For example
  * ```
- * fn foo(x: u32) -> u64 { (x + 1).into()
- *  }
+ * fn foo(x: u32) -> u64 { (x + 1).into() }
  * ```
  * A function declaration within a trait might not have a body:
  * ```

rust/ql/lib/codeql/rust/elements/Function.qll

@@ -60,8 +60,7 @@ class Function(Declaration):
     """
     A function declaration. For example
     ```
-    fn foo(x: u32) -> u64 { (x + 1).into()
-     }
+    fn foo(x: u32) -> u64 { (x + 1).into() }
     ```
     A function declaration within a trait might not have a body:
     ```