Fixed compilation error when built-time debug level is 'trace'. Closes …

…#161

CMakeLists.txt

@@ -5,7 +5,7 @@ if (DEFINED ENV{RESTC_CPP_VERSION})
 endif()
 
 if (NOT DEFINED RESTC_CPP_VERSION)
-    set(RESTC_CPP_VERSION 0.102.0)
+    set(RESTC_CPP_VERSION 0.102.1)
 endif()
 
 if(NOT DEFINED RESTC_BOOST_VERSION)

src/ChunkedReaderImpl.cpp

@@ -55,16 +55,15 @@ class ChunkedReaderImpl : public DataReader {
         return out.str();
     }
 
-    static void Log(const ::restc_cpp::boost_const_buffer buffers, const char * /*tag*/)
+    static void Log(const ::restc_cpp::boost_const_buffer buffers, const char * tag)
     {
         const auto buf_len = boost_buffer_size(buffers);
 
         // At the time of the implementation, there are never multiple buffers.
         RESTC_CPP_LOG_TRACE_(tag << ' ' << "# " << buf_len
             << " bytes: "
             << ToPrintable({
-                boost::asio::buffer_cast<const char *>(*buffers.begin()),
-                           buf_len}));
+               boost_buffer_cast(buffers), buf_len}));
     }
 
     ::restc_cpp::boost_const_buffer ReadSome() override {

tests/functional/CRUD_test.cpp

@@ -14,7 +14,7 @@ using namespace restc_cpp;
 
 /* These url's points to a local Docker container with nginx, linked to
  * a jsonserver docker container with mock data.
- * The scripts to build and run these containers are in the ./tests directory.
+ * You can run /.create-and-run-containers.sh to start them.
  */
 const string http_url = "http://localhost:3000/posts";