[TS-1387]<fix>: fixed a coredump

src/client/src/tscUtil.c

@@ -2994,7 +2994,8 @@ int32_t tscValidateName(SStrToken* pToken, bool escapeEnabled, bool *dbIncluded)
         if (sep == NULL) {
           return TSDB_CODE_TSC_INVALID_OPERATION;
         }
-        *dbIncluded = true;
+
+        if (dbIncluded)  *dbIncluded = true;
 
         return tscValidateName(pToken, escapeEnabled, NULL);
       }