Mute compiler warning (issue #47)

include/ArduinoJson/JsonBuffer.hpp

@@ -9,6 +9,12 @@
 #include <stddef.h>  // for size_t
 #include <stdint.h>  // for uint8_t
 
+#if defined(__clang__)
+#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
+#elif defined(__GNUC__)
+#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
+#endif
+
 namespace ArduinoJson {
 class JsonArray;
 class JsonObject;

src/CMakeLists.txt

@@ -20,6 +20,7 @@ if(CMAKE_CXX_COMPILER_ID MATCHES "(GNU|Clang)")
 		-Wno-sign-conversion
 		-Wno-unused
 		-Wno-variadic-macros
+		-Wnon-virtual-dtor
 		-Wold-style-cast
 		-Woverloaded-virtual
 		-Wredundant-decls