rpcrt4: Remove redundant "non NULL" check of var cred_dst (coccicheck).

dlls/rpcrt4/rpc_binding.c

@@ -1303,7 +1303,7 @@ static RPC_STATUS RpcQualityOfService_Create(const RPC_SECURITY_QOS *qos_src, BO
                     cred_dst->User = HeapAlloc(GetProcessHeap(), 0, cred_dst->UserLength * sizeof(WCHAR));
                     cred_dst->Password = HeapAlloc(GetProcessHeap(), 0, cred_dst->PasswordLength * sizeof(WCHAR));
                     cred_dst->Domain = HeapAlloc(GetProcessHeap(), 0, cred_dst->DomainLength * sizeof(WCHAR));
-                    if (!cred_dst || !cred_dst->Password || !cred_dst->Domain) goto error;
+                    if (!cred_dst->Password || !cred_dst->Domain) goto error;
                     MultiByteToWideChar(CP_ACP, 0, (char *)cred_src->User, cred_src->UserLength, cred_dst->User, cred_dst->UserLength);
                     MultiByteToWideChar(CP_ACP, 0, (char *)cred_src->Domain, cred_src->DomainLength, cred_dst->Domain, cred_dst->DomainLength);
                     MultiByteToWideChar(CP_ACP, 0, (char *)cred_src->Password, cred_src->PasswordLength, cred_dst->Password, cred_dst->PasswordLength);