Do not allow comments on post ids that don't exist.  Thanks skippy for the die(), thanks gsnedders for the 403.  Fixes 494.
Do not allow comments on post ids that don't exist.  Thanks skippy for the die(), thanks gsnedders for the 403.  Fixes 494.

git-svn-id: d0e296eae3c99886147898d36662a67893ae90b2@1160 653ae4dd-d31e-0410-96ef-6bf7bf53c507

dragonmantank/Habari,dragonmantank/Habari,dragonmantank/Habari