cmCTestCurl: Fix UploadFile declared parameter names

Match the order used in the definition.

Source/CTest/cmCTestCurl.h

@@ -16,7 +16,7 @@ class cmCTestCurl
 public:
   cmCTestCurl(cmCTest*);
   ~cmCTestCurl();
-  bool UploadFile(std::string const& url, std::string const& file,
+  bool UploadFile(std::string const& local_file, std::string const& url,
                   std::string const& fields, std::string& response);
   bool HttpRequest(std::string const& url, std::string const& fields,
                    std::string& response);