Use "ws2_32" in lower-case to ensure the library is found when cross-compiling and using a case-sensitive filesystem. Closes https://github.com/wxWidgets/wxWidgets/pull/772
Use "ws2_32" in lower-case to ensure the library is found when cross-compiling and using a case-sensitive filesystem. Closes https://github.com/wxWidgets/wxWidgets/pull/772