* wizard: re-brand wxWidgets 2.9.x (svn) as 3.0.x and add flag '-Wno-unused-local-typedefs' for new GCC on older wx versions

git-svn-id: https://svn.code.sf.net/p/codeblocks/code/trunk@9455 2a5c6006-c6dd-42ca-98ab-0921f2732cef
* wizard: fix wxWidgets wizard bug introduced in rev 9455, compiler plugin can handle at most one scripted option (remove obsolete '-Wno-attributes' from MSW conditional)

git-svn-id: https://svn.code.sf.net/p/codeblocks/code/trunk@9462 2a5c6006-c6dd-42ca-98ab-0921f2732cef