[PATCH] Fix up LD_* vars behaviour

[David Miller]

From: ams@gnu.org (Alfred M. Szmidt)
Date: Thu, 26 Apr 2012 12:34:43 -0400

> (the man-pages project doesn't document many many aspects of glibc).

This side-steps the main point, which is that the man-pages project
documents more apsects of glibc than glibc's own documentation.  And
that it is the primary resource for programmers writing code against
glibc.