correction to typo in r57327, ui-load wasnt working on splash screen.

also minor changes:
- update the load-UI flag when changing in the preferences.
- remove unused initialization values for subdivide.



git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@57341 954f8c5b-7b00-dc11-b283-0030488c597c
Replaced a hard-coded array length with MAX_ID_NAME.

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@57342 954f8c5b-7b00-dc11-b283-0030488c597c