Fixed segmentation fault in StaticJsonBuffer (issue #104)

test/StaticJsonBuffer_ParseArray_Tests.cpp

@@ -69,4 +69,12 @@ TEST_F(StaticJsonBuffer_ParseArray_Tests,
   with(bufferOfRightSize);
   whenInputIs("[{}]");
   parseMustSucceed();
-}
+}
+
+TEST_F(StaticJsonBuffer_ParseArray_Tests, CharPtrNull) {
+  ASSERT_FALSE(StaticJsonBuffer<100>().parseArray((char*)0).success());
+}
+
+TEST_F(StaticJsonBuffer_ParseArray_Tests, ConstCharPtrNull) {
+  ASSERT_FALSE(StaticJsonBuffer<100>().parseArray((const char*)0).success());
+}