Declare TorReply parsing functions in torcontrol_tests

Rather than including the implementation file into the test,
which is bad practice.

src/test/torcontrol_tests.cpp

@@ -3,10 +3,18 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 //
 #include <test/test_bitcoin.h>
-#include <torcontrol.cpp>
+#include <torcontrol.h>
 
 #include <boost/test/unit_test.hpp>
 
+#include <map>
+#include <string>
+#include <utility>
+
+
+std::pair<std::string, std::string> SplitTorReplyLine(const std::string& s);
+std::map<std::string, std::string> ParseTorReplyMapping(const std::string& s);
+
 
 BOOST_FIXTURE_TEST_SUITE(torcontrol_tests, BasicTestingSetup)