Merge #12494: Declare CMutableTransaction a struct in rawtransaction.h

eacc5b2 Declare CMutableTransaction a struct in rawtransaction.h (Ben Woosley)

Pull request description:

  Because it's a struct.

  Fix for #10579 - this was called out in code review. bitcoin/bitcoin#10579 (comment)

Tree-SHA512: 10758a667218481de6f50b5ed874e92eb350c621f7a6355fba7da6ab42b09e1764f827e89491c8663e554fcfd23f124b299f968237c6ad1ff7819e211bd7e521

Author: MarcoFalke

src/rpc/rawtransaction.h

@@ -6,7 +6,7 @@
 #define BITCOIN_RPC_RAWTRANSACTION_H
 
 class CBasicKeyStore;
-class CMutableTransaction;
+struct CMutableTransaction;
 class UniValue;
 
 /** Sign a transaction with the given keystore and previous transactions */