ioc: populate RDES early

The record type is known at allocation time,
so store RDES immediately.

src/ioc/dbStatic/dbStaticRun.c

@@ -89,6 +89,7 @@ long dbAllocRecord(DBENTRY *pdbentry,const char *precordName)
     ppvt = dbCalloc(1, offsetof(dbCommonPvt, common) + pdbRecordType->rec_size);
     precord = &ppvt->common;
     ppvt->node = precnode;
+    precord->rdes = pdbRecordType;
     precnode->precord = precord;
     pflddes = pdbRecordType->papFldDes[0];
     if(!pflddes) {

src/ioc/misc/iocInit.c

@@ -493,7 +493,6 @@ static void doInitRecord0(dbRecordType *pdbRecordType, dbCommon *precord,
     if (!prset) return;         /* unlikely */
 
     precord->rset = prset;
-    precord->rdes = pdbRecordType;
     precord->mlok = epicsMutexMustCreate();
     ellInit(&precord->mlis);