message: Fix warning related to the wrong use of static_assert in interpreter.cpp
  ../src/script/interpreter.cpp:1477:68: warning: static_assert with no message is a C++1z extension [-Wc++1z-extensions]
  static_assert(MAX_PUBKEYS_PER_MULTISIG < 32);
diff: @@ -1474,7 +1474,8 @@ bool ScriptMachine::Step()
  if ((flags & SCRIPT_ENABLE_SCHNORR_MULTISIG) && stacktop(-idxDummy).size() != 0)
  {
  // SCHNORR MULTISIG
  - static_assert(MAX_PUBKEYS_PER_MULTISIG < 32);
  + static_assert(MAX_PUBKEYS_PER_MULTISIG < 32,
  + "Multisig dummy element decoded as bitfield can't represent more than 32 keys");
  uint32_t checkBits = 0;
  // Dummy element is to be interpreted as a bitfield
  