msi: Destroy streams cache when applying a transform.

dlls/msi/database.c

diff --git a/dlls/msi/database.c b/dlls/msi/database.c
index 7855fea..757be67 100644
--- a/dlls/msi/database.c
+++ b/dlls/msi/database.c
@@ -225,16 +225,6 @@
     return ret;
 }
 
-void append_storage_to_db( MSIDATABASE *db, IStorage *stg )
-{
-    MSITRANSFORM *t;
-
-    t = msi_alloc( sizeof *t );
-    t->stg = stg;
-    IStorage_AddRef( stg );
-    list_add_tail( &db->transforms, &t->entry );
-}
-
 static void free_transforms( MSIDATABASE *db )
 {
     while( !list_empty( &db->transforms ) )
@@ -259,6 +249,19 @@
     }
 }
 
+void append_storage_to_db( MSIDATABASE *db, IStorage *stg )
+{
+    MSITRANSFORM *t;
+
+    t = msi_alloc( sizeof *t );
+    t->stg = stg;
+    IStorage_AddRef( stg );
+    list_add_tail( &db->transforms, &t->entry );
+
+    /* the transform may add or replace streams */
+    free_streams( db );
+}
+
 static VOID MSI_CloseDatabase( MSIOBJECTHDR *arg )
 {
     MSIDATABASE *db = (MSIDATABASE *) arg;