allow for TMDs which are larger than needed

quick hack fix to allow DSiWare games to work again, proper fix is to remove the extra 0x700 bytes of certificates in the tmd db which aren't needed

waterbox/melon/BizFileManager.cpp

@@ -72,9 +72,9 @@ const char* InitNAND(bool clearNand, bool dsiWare)
 			return "Failed to obtain TMD!";
 		}
 
-		if (tmdData->second != sizeof(DSi_TMD::TitleMetadata))
+		if (tmdData->second < sizeof(DSi_TMD::TitleMetadata))
 		{
-			return "TMD is not the correct size!";
+			return "TMD is too small!";
 		}
 
 		DSi_TMD::TitleMetadata tmd;