added test for escaped double quotes

Author: matej21

tests/Neon/Decoder.scalar.phpt

@@ -24,6 +24,7 @@ Assert::same( 'the"string#literal', Neon::decode('the"string#literal') );
 Assert::same( 'the"string', Neon::decode('the"string #literal') );
 Assert::same( "the'string #literal", Neon::decode('"the\'string #literal"') );
 Assert::same( 'the"string #literal', Neon::decode("'the\"string #literal'") );
+Assert::same( 'the"string #literal', Neon::decode('"the\\"string #literal"') );
 Assert::same( '<literal> <literal>', Neon::decode('<literal> <literal>') );
 Assert::same( "", Neon::decode("''") );
 Assert::same( "", Neon::decode('""') );