[TYPO3-commerce] info on PHP_INT_MAX - non working singleview

[media.res | Alex Widschwendter]

hi,

with latest svn version the php version for commerce raises at least to 
4.4.0 or 5.0.5, cause the constant is not available in lower versions of 
php.

the missing constant leads to a wrong validation of the product being in 
the right category, and as a consequence doesn't display the single view.

hth somebody else!

cheers alex