Use datarootdir instead of datadir

diff --git a/config.mk.in b/config.mk.in
index ddcee1a76f2c9d81ae4b534df0ae86fe83760493..e56ec835c36ce710c8dce5f8b1d307a5a4fbe03a 100644 (file)
--- a/config.mk.in
+++ b/config.mk.in
@@ -10,4 +10,4 @@ SED = @SED@
 prefix = @prefix@
 exec_prefix= @exec_prefix@
 bindir = @bindir@
-datadir = @datadir@/postgresql_autodoc
+datadir = @datarootdir@/postgresql_autodoc