msi: Include the terminating null in the buffer size for decoded stream names.

dlls/msi/database.c

@@ -131,7 +131,7 @@ UINT msi_get_raw_stream( MSIDATABASE *db, LPCWSTR stname, IStream **stm )
 {
     HRESULT r;
     IStorage *stg;
-    WCHAR decoded[MAX_STREAM_NAME_LEN];
+    WCHAR decoded[MAX_STREAM_NAME_LEN + 1];
 
     decode_streamname( stname, decoded );
     TRACE("%s -> %s\n", debugstr_w(stname), debugstr_w(decoded));

dlls/msi/streams.c

@@ -70,7 +70,7 @@ static BOOL streams_set_table_size(MSISTREAMSVIEW *sv, UINT size)
 static STREAM *create_stream(MSISTREAMSVIEW *sv, LPCWSTR name, BOOL encoded, IStream *stm)
 {
     STREAM *stream;
-    WCHAR decoded[MAX_STREAM_NAME_LEN];
+    WCHAR decoded[MAX_STREAM_NAME_LEN + 1];
 
     stream = msi_alloc(sizeof(STREAM));
     if (!stream)