fix: fix syntax error.

source/common/src/tmsg.c

@@ -3347,7 +3347,7 @@ int32_t tDeserializeSExplainRsp(void *buf, int32_t bufLen, SExplainRsp *pRsp) {
     if (tDecodeDouble(&decoder, &pRsp->subplanInfo[i].totalCost) < 0) return -1;
     if (tDecodeU64(&decoder, &pRsp->subplanInfo[i].numOfRows) < 0) return -1;
     if (tDecodeU32(&decoder, &pRsp->subplanInfo[i].verboseLen) < 0) return -1;
-    if (tDecodeBinary(&decoder, (const uint8_t**) &pRsp->subplanInfo[i].verboseInfo, &pRsp->subplanInfo[i].verboseLen) < 0) return -1;
+    if (tDecodeBinary(&decoder, (uint8_t**) &pRsp->subplanInfo[i].verboseInfo, &pRsp->subplanInfo[i].verboseLen) < 0) return -1;
   }
 
   tEndDecode(&decoder);