- added -Wunused-local-typedefs to standard options


git-svn-id: svn://svn.code.sf.net/p/gwyddion/code/trunk/gwyddion@16673 25697fe4-d644-49b8-9d30-be5465f2adf3
- removed export support


git-svn-id: svn://svn.code.sf.net/p/gwyddion/code/trunk/gwyddion@16674 25697fe4-d644-49b8-9d30-be5465f2adf3