Cosmetic changes to MatchBoxPC

amgprec/impl/aggregator/MatchBoxPC.cpp

@@ -72,8 +72,7 @@ void dMatchBoxPC(MilanLongInt NLVer, MilanLongInt NLEdge,
         double tmr = MPI_Wtime();
     #endif
 
-// Rimosso per tornare al vecchio matching #define OMP
+#if defined(OPENMP)
-#ifdef OPENMP
 	//fprintf(stderr,"Warning: using buggy OpenMP matching!\n");
         dalgoDistEdgeApproxDomEdgesLinearSearchMesgBndlSmallMateCMP(NLVer, NLEdge,
 							   verLocPtr, verLocInd, edgeLocWeight,