Exception addition.

libethcore/Exceptions.h

@@ -60,6 +60,7 @@ struct InvalidTransactionGasUsed: virtual dev::Exception {};
 struct InvalidTransactionsStateRoot: virtual dev::Exception {};
 struct InvalidReceiptsStateRoot: virtual dev::Exception {};
 struct InvalidTimestamp: virtual dev::Exception {};
+struct InvalidLogBloom: virtual dev::Exception {};
 class InvalidNonce: virtual public dev::Exception { public: InvalidNonce(u256 _required = 0, u256 _candidate = 0): required(_required), candidate(_candidate) {} u256 required; u256 candidate; virtual const char* what() const noexcept; };
 class InvalidBlockNonce: virtual public dev::Exception { public: InvalidBlockNonce(h256 _h = h256(), h256 _n = h256(), u256 _d = 0): h(_h), n(_n), d(_d) {} h256 h; h256 n; u256 d; virtual const char* what() const noexcept; };
 struct InvalidParentHash: virtual dev::Exception {};