improved tooltips

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@56003 954f8c5b-7b00-dc11-b283-0030488c597c
Fix for [#34968] Cross compiling from linux for windows is broken
* Patch by Martijn Berger (juicyfruit).

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@56004 954f8c5b-7b00-dc11-b283-0030488c597c