File cdrdao-build.patch of Package cdrdao

Index: cdrdao-1.2.4/trackdb/FormatConverter.h
===================================================================
--- cdrdao-1.2.4.orig/trackdb/FormatConverter.h
+++ cdrdao-1.2.4/trackdb/FormatConverter.h
@@ -29,7 +29,7 @@
 
 // Quick abstract class declarations. Format converters should derive
 // their own FormatSupport and FormatSupportManager.
-
+class Toc;
 class FormatSupport
 {
  public: