Oops, the sqlite default "synchronous" mode is FULL, not NORMAL

This would've caused inconsistent behavior between databases where
fsync is explicitly set to enabled and to one where it was not set.

lib/backend/sqlite.c

@@ -359,7 +359,7 @@ static int sqlite_Verify(dbiIndex dbi, unsigned int flags)
 static void sqlite_SetFSync(rpmdb rdb, int enable)
 {
     sqlexec(rdb->db_dbenv,
-	    "PRAGMA synchronous = %s", enable ? "NORMAL" : "OFF");
+	    "PRAGMA synchronous = %s", enable ? "FULL" : "OFF");
 }
 
 static int sqlite_Ctrl(rpmdb rdb, dbCtrlOp ctrl)