Don't complain about a bad md5 sum for repackaged rpms.

--- ./lib/psm.c.orig	2012-06-01 13:18:24.000000000 +0000
+++ ./lib/psm.c	2012-06-01 13:22:48.000000000 +0000
@@ -813,12 +813,17 @@ static rpmRC rpmpsmStage(rpmpsm psm, pkg
 	    rpmpsmNotify(psm, RPMCALLBACK_INST_PROGRESS, 0);
 
 	    if (rpmfiFC(fi) > 0 && !(rpmtsFlags(ts) & RPMTRANS_FLAG_JUSTDB)) {
+		rpmtransFlags oldtsflags;
 		FD_t payload = rpmtePayload(psm->te);
 		if (payload == NULL) {
 		    rc = RPMRC_FAIL;
 		    break;
 		}
 
+		oldtsflags = rpmtsFlags(ts);
+		if (headerIsEntry(fi->h, RPMTAG_REMOVETID))
+		    (void) rpmtsSetFlags(ts, oldtsflags | RPMTRANS_FLAG_NOMD5);
+
 		fsmrc = rpmfsmRun(FSM_PKGINSTALL, psm->ts, psm->te, psm->fi,
 				  payload, psm, NULL, &psm->failedFile);
 
@@ -827,6 +832,9 @@ static rpmRC rpmpsmStage(rpmpsm psm, pkg
 		rpmswAdd(rpmtsOp(psm->ts, RPMTS_OP_DIGEST),
 			 fdOp(payload, FDSTAT_DIGEST));
 
+		if (headerIsEntry(fi->h, RPMTAG_REMOVETID))
+		    (void) rpmtsSetFlags(ts, oldtsflags);
+
 		Fclose(payload);
 	    }