If you submitted a patch, please check to make sure it has been included in the new release. Wine is available thanks to the work of many people. From Wine web pages Wine is an implementation of the Windows 3.x and Win32 APIs on top of X and Unix. Think of Wine as a Windows compatibility layer. Wine does not require Microsoft Windows, as it is a completely alternative implementation consisting of 100 it can optionally use native system DLLs if they are available.
Wine comes with complete sources, documentation and examples and is freely redistributable.