Avoid a clash of exported symbols, put them into anonymous namespaces.

test/test_remap_files.cpp

@@ -43,6 +43,8 @@ using namespace libtorrent;
 namespace lt = libtorrent;
 using boost::tuples::ignore;
 
+namespace {
+
 template <class T>
 boost::shared_ptr<T> clone_ptr(boost::shared_ptr<T> const& ptr)
 {
@@ -59,6 +61,8 @@ bool on_alert(alert const* a)
 	return false;
 }
 
+} // anonymous namespace
+
 void test_remap_files_gather(storage_mode_t storage_mode = storage_mode_sparse)
 {
 	// in case the previous run was terminated