ZF-6122: Eliminate duplicated code in FeedEntry ctor


The code in ctor for FeedEntry is duplicated from the transferFromXML method. Replacing it to eliminate code duplication.


Fixed in trunk in r14479 and merged to 1-7 in r14480.

Missed a small section of code.

Fixed in r14481 in trunk and merged to 1-7 in r14482.