[vala] manual: Actually install files into "bookdir" instead of a subfolder

[Rico Tzschichholz <ricotz src gnome org>]

commit 721134b53f1ce6fb8e5f768d0c902b6dc537f4f8
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Mar 2 18:24:47 2017 +0100

    manual: Actually install files into "bookdir" instead of a subfolder

 doc/manual/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/doc/manual/Makefile.am b/doc/manual/Makefile.am
index ffa87f9..8a9d223 100644
--- a/doc/manual/Makefile.am
+++ b/doc/manual/Makefile.am
@@ -5,7 +5,7 @@ BOOK_NAME = vala@PACKAGE_SUFFIX@
 bookdir = $(datadir)/devhelp/books/$(BOOK_NAME)
 
 if HAVE_XSLTPROC
-nobase_book_DATA = \
+book_DATA = \
        devhelp/* \
        $(NULL)
 endif