libswift: clean up SIL/Utils.swift formatting

Author: MaxDesiatov

SwiftCompilerSources/Sources/SIL/Utils.swift

@@ -26,7 +26,7 @@ public struct List<NodeType: ListNode> :
       Sequence, IteratorProtocol, CustomReflectable
       where NodeType.Element == NodeType {
   private var currentNode: NodeType?
-  
+
   public init(startAt: NodeType?) { currentNode = startAt }
 
   public mutating func next() -> NodeType? {
@@ -47,7 +47,7 @@ public struct ReverseList<NodeType: ListNode> :
       Sequence, IteratorProtocol, CustomReflectable
       where NodeType.Element == NodeType {
   private var currentNode: NodeType?
-  
+
   public init(startAt: NodeType?) { currentNode = startAt }
 
   public mutating func next() -> NodeType? {
@@ -84,7 +84,7 @@ extension BridgedStringRef {
     let buffer = UnsafeBufferPointer<UInt8>(start: data, count: Int(length))
     return String(decoding: buffer, as: UTF8.self)
   }
-  
+
   func takeString() -> String {
     let str = string
     freeBridgedStringRef(self)
@@ -117,7 +117,7 @@ extension UnsafeMutablePointer where Pointee == BridgedSwiftObject {
     let ptr = Unmanaged.passUnretained(object).toOpaque()
     self = ptr.bindMemory(to: BridgedSwiftObject.self, capacity: 1)
   }
-  
+
   func getAs<T: AnyObject>(_ objectType: T.Type) -> T {
     return Unmanaged<T>.fromOpaque(self).takeUnretainedValue()
   }