fix indents

DcCore/DcCore/DC/Wrapper.swift

@@ -759,12 +759,12 @@ public class DcChat {
 	}()
 
 	public var profileImageURL: URL? {
-		guard let cString = dc_chat_get_profile_image(chatPointer) else { return nil }
-		let filename = String(cString: cString)
-		dc_str_unref(cString)
-		let path: URL = URL(fileURLWithPath: filename, isDirectory: false)
-		return path
-	}
+        guard let cString = dc_chat_get_profile_image(chatPointer) else { return nil }
+        let filename = String(cString: cString)
+        dc_str_unref(cString)
+        let path: URL = URL(fileURLWithPath: filename, isDirectory: false)
+        return path
+    }
 
     public var isSendingLocations: Bool {
         return dc_chat_is_sending_locations(chatPointer) == 1