krb5 commit [krb5-1.16]: Document that DESTDIR must be an absolute path

[Greg Hudson]

https://github.com/krb5/krb5/commit/9b597aebe182ea1807bdb33336f121b1f47bae4d
commit 9b597aebe182ea1807bdb33336f121b1f47bae4d
Author: Greg Hudson <ghudson at mit.edu>
Date:   Tue Aug 28 12:11:35 2018 -0400

    Document that DESTDIR must be an absolute path
    
    (cherry picked from commit 405dd1f1b56b39c2e7576df554a819ae5ab0076f)
    
    ticket: 8731
    version_fixed: 1.16.2

 doc/build/doing_build.rst |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/doc/build/doing_build.rst b/doc/build/doing_build.rst
index 4605bfb..4da1998 100644
--- a/doc/build/doing_build.rst
+++ b/doc/build/doing_build.rst
@@ -81,7 +81,7 @@ use::
 
 This will install the binaries under *DESTDIR/PREFIX*, e.g., the user
 programs will install into *DESTDIR/PREFIX/bin*, the libraries into
-*DESTDIR/PREFIX/lib*, etc.
+*DESTDIR/PREFIX/lib*, etc.  *DESTDIR* must be an absolute path.
 
 Some implementations of make allow multiple commands to be run in
 parallel, for faster builds.  We test our Makefiles in parallel builds