fix compilation

- remove wrong comments
- fix include guard footer
- add curly braces
- add template specialization for std::vector<bool> in make_array
- reformat

util/json_util.hpp

@@ -25,9 +25,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 */
 
-// based on
-// https://svn.apache.org/repos/asf/mesos/tags/release-0.9.0-incubating-RC0/src/common/json.hpp
-
 #ifndef JSON_UTIL_HPP
 #define JSON_UTIL_HPP
 
@@ -75,7 +72,20 @@ template <typename T> osrm::json::Array make_array(const std::vector<T>& vector)
 {
     osrm::json::Array a;
     for (const auto &v : vector)
+    {
         a.values.emplace_back(v);
+    }
+    return a;
+}
+
+// template specialization needed as clang does not play nice
+template <> osrm::json::Array make_array(const std::vector<bool> &vector)
+{
+    osrm::json::Array a;
+    for (const bool v : vector)
+    {
+        a.values.emplace_back(v);
+    }
     return a;
 }
 
@@ -98,4 +108,4 @@ osrm::json::Value& get(osrm::json::Value& value, unsigned key, Keys... keys)
 
 } // namespace json
 } // namespace osrm
-#endif // JSON_RENDERER_HPP
+#endif // JSON_UTIL_HPP