Revert "fix issue #37: non-PIC bug has shown up again"

This reverts commit 125b0241775abdcaee952348e1d701f7ea25ca1a.

When PIC_PLT(__set_errno) is called instead of simply __set_errno, a
segfault occurs. Need to determine why!

Bad Chris!!
Merge pull request #39 from cfriedt/master-local

Revert "fix issue #37: non-PIC bug has shown up again"