tree 6983a3856efc88c5bdb4b387dbf14be2bdfb259c
parent 05880ad5a533719b06977a9e507e490eb53db820
author Dmitry Baryshkov <dbaryshkov@gmail.com> 1588777689 +0300
committer Dmitry Baryshkov <dbaryshkov@gmail.com> 1588777689 +0300

doc/Makefile.am: work correctly in out-of-tree builds

Reference $(srcdir)/Makefile.am rather than just Makefile.am to make it
work in out-of-tree builds.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>