Log Message:
-----------
PQgeterror() is documented as never returning NULL, but it was in some cases. Returns an empty string where it was incorrectly returning NULL
Modified Files:
--------------
libpqtypes/src:
error.c (r1.16 -> r1.17)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/error.c.diff?r1=1.16&r2=1.17)