Count CHECKSIGFROMSTACK* against sigops limit

Author: instagibbs

src/script/script.cpp

@@ -175,7 +175,8 @@ unsigned int CScript::GetSigOpCount(bool fAccurate) const
         opcodetype opcode;
         if (!GetOp(pc, opcode))
             break;
-        if (opcode == OP_CHECKSIG || opcode == OP_CHECKSIGVERIFY)
+        if (opcode == OP_CHECKSIG || opcode == OP_CHECKSIGVERIFY ||
+            opcode == OP_CHECKSIGFROMSTACK || opcode == OP_CHECKSIGFROMSTACKVERIFY)
             n++;
         else if (opcode == OP_CHECKMULTISIG || opcode == OP_CHECKMULTISIGVERIFY)
         {