fpspreadsheet: Fix compilation error in Linux (fpszipper.pp)

git-svn-id: http://svn.code.sf.net/p/lazarus-ccr/svn@3647 8e941d3f-bd1b-0410-a28a-d453659cc2b4
spktoolbar: Fix crash when resizing form

git-svn-id: http://svn.code.sf.net/p/lazarus-ccr/svn@3648 8e941d3f-bd1b-0410-a28a-d453659cc2b4