fix(os): compile ptr error

source/dnode/mgmt/node_mgmt/src/dmProc.c

@@ -137,13 +137,13 @@ static inline int32_t dmPushToProcQueue(SProc *proc, SProcQueue *queue, SRpcMsg
       queue->tail = headLen + bodyLen;
     } else if (remain < 8 + headLen) {
       memcpy(queue->pBuffer + queue->tail + 8, pHead, remain - 8);
-      memcpy(queue->pBuffer, pHead + remain - 8, rawHeadLen - (remain - 8));
+      memcpy(queue->pBuffer, (char*)pHead + remain - 8, rawHeadLen - (remain - 8));
       if (rawBodyLen > 0) memcpy(queue->pBuffer + headLen - (remain - 8), pBody, rawBodyLen);
       queue->tail = headLen - (remain - 8) + bodyLen;
     } else if (remain < 8 + headLen + bodyLen) {
       memcpy(queue->pBuffer + queue->tail + 8, pHead, rawHeadLen);
       if (rawBodyLen > 0) memcpy(queue->pBuffer + queue->tail + 8 + headLen, pBody, remain - 8 - headLen);
-      if (rawBodyLen > 0) memcpy(queue->pBuffer, pBody + remain - 8 - headLen, rawBodyLen - (remain - 8 - headLen));
+      if (rawBodyLen > 0) memcpy(queue->pBuffer, (char*)pBody + remain - 8 - headLen, rawBodyLen - (remain - 8 - headLen));
       queue->tail = bodyLen - (remain - 8 - headLen);
     } else {
       memcpy(queue->pBuffer + queue->tail + 8, pHead, rawHeadLen);