Improvements to the way that OOM errors are processed.

FossilOrigin-Name: c3ef03478a5788c855b3aef385d43ae7f494f440
diff --git a/src/trigger.c b/src/trigger.c
index 4bfb55a..72c31eb 100644
--- a/src/trigger.c
+++ b/src/trigger.c
@@ -323,7 +323,7 @@
     assert( sqlite3SchemaMutexHeld(db, iDb, 0) );
     pTrig = sqlite3HashInsert(pHash, zName, pTrig);
     if( pTrig ){
-      db->mallocFailed = 1;
+      sqlite3OomFault(db);
     }else if( pLink->pSchema==pLink->pTabSchema ){
       Table *pTab;
       pTab = sqlite3HashFind(&pLink->pTabSchema->tblHash, pLink->table);