plperlng - plperlng: fix for Safe version fix for return types remove

Log Message:
-----------

fix for Safe version
fix for return types
remove functions from ppport.h

Modified Files:
--------------
plperlng:
plperl.c (r1.12 -> r1.13)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plperlng/plperlng/plperl.c.diff?r1=1.12&r2=1.13)
ppport.h (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/plperlng/plperlng/ppport.h.diff?r1=1.2&r2=1.3)