[TYPO3] image magick 5.5.6 & t3 4.0.1

[Katja Lampela]

  > Problem: the pictures seem to render mainly ok but some just don't.

and by this I mean that nothing shows up and html is:

<img src="" width="" height="" border="0"  title="" />

and the ones that show:

<img src="typo3temp/pics/51edc99c52.gif" width="100" height="75" 
border="0" alt="" title="" />