[TYPO3-core] minor skin issue: wizard icons (see #2493)

[Ingmar Schlecht]

Hi Martin,

Martin Kutschker wrote:
> Please have a look at the new icons attached to bug #2493.
> 
> And also have a look at the fix for the skinning issue.
> 
> Me thinks only the call to the skinning API was missing.

+1 based on reading the code and looking at the icons.

cheers
Ingmar