Removed excess whitespace from the project…no functional changes.

Source/Alamofire.swift

@@ -222,9 +222,9 @@ public func download(
 /// If `destination` is not specified, the contents will remain in the temporary location determined by the
 /// underlying URL session.
 ///
-/// On the latest release of all the Apple platforms (iOS 10, macOS 10.12, tvOS 10, watchOS 3), `resumeData` is broken 
-/// on background URL session configurations. There's an underlying bug in the `resumeData` generation logic where the 
-/// data is written incorrectly and will always fail to resume the download. For more information about the bug and 
+/// On the latest release of all the Apple platforms (iOS 10, macOS 10.12, tvOS 10, watchOS 3), `resumeData` is broken
+/// on background URL session configurations. There's an underlying bug in the `resumeData` generation logic where the
+/// data is written incorrectly and will always fail to resume the download. For more information about the bug and
 /// possible workarounds, please refer to the following Stack Overflow post:
 ///
 ///    - http://stackoverflow.com/a/39347461/1342462