portability fix

ndb/src/ndbapi/Ndb.cpp

@@ -826,7 +826,7 @@ Ndb::opTupleIdOnNdb(Uint32 aTableId, Uint64 opValue, Uint32 op)
       tOperation->interpretedUpdateTuple();
       tOperation->equal("SYSKEY_0", aTableId );
       {
-#ifdef NDB_SOLARIS
+#ifdef WORDS_BIGENDIAN
         Uint64 cacheSize64 = opValue;           // XXX interpreter bug on Uint32
         tOperation->incValue("NEXTID", cacheSize64);
 #else