[devhelp] Move dh-preferences from the lib to the app

[Sébastien Wilmet <swilmet src gnome org>]

commit 6afe44b9b297560870ab0f2373e2900300402233
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu Feb 22 15:18:00 2018 +0100

    Move dh-preferences from the lib to the app
    
    It is not used by gnome-builder or anjuta, only by the devhelp app.

 devhelp/Makefile.am               |    2 --
 docs/reference/Makefile.am        |    1 -
 src/Makefile.am                   |    2 ++
 {devhelp => src}/dh-preferences.c |    0
 {devhelp => src}/dh-preferences.h |    0
 5 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/devhelp/Makefile.am b/devhelp/Makefile.am
index 1ff66c4..a45e003 100644
--- a/devhelp/Makefile.am
+++ b/devhelp/Makefile.am
@@ -36,7 +36,6 @@ libdevhelp_public_c_files =           \
 libdevhelp_private_headers =           \
        dh-error.h                      \
        dh-parser.h                     \
-       dh-preferences.h                \
        dh-search-context.h             \
        dh-settings.h                   \
        dh-util.h                       \
@@ -45,7 +44,6 @@ libdevhelp_private_headers =          \
 libdevhelp_private_c_files =           \
        dh-error.c                      \
        dh-parser.c                     \
-       dh-preferences.c                \
        dh-search-context.c             \
        dh-settings.c                   \
        dh-util.c                       \
diff --git a/docs/reference/Makefile.am b/docs/reference/Makefile.am
index d9fba28..c5a19a7 100644
--- a/docs/reference/Makefile.am
+++ b/docs/reference/Makefile.am
@@ -49,7 +49,6 @@ EXTRA_HFILES = \
 IGNORE_HFILES = \
        dh-error.h \
        dh-parser.h \
-       dh-preferences.h \
        dh-search-context.h \
        dh-settings.h \
        dh-util.h
diff --git a/src/Makefile.am b/src/Makefile.am
index 3cc8d07..63e92c7 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -11,6 +11,7 @@ AM_LDFLAGS =          \
 app_headers =                  \
        dh-app.h                \
        dh-assistant.h          \
+       dh-preferences.h        \
        dh-tab.h                \
        dh-tab-label.h          \
        dh-web-view.h           \
@@ -22,6 +23,7 @@ app_c_files =                 \
        dh-app.c                \
        dh-assistant.c          \
        dh-main.c               \
+       dh-preferences.c        \
        dh-tab.c                \
        dh-tab-label.c          \
        dh-web-view.c           \
diff --git a/devhelp/dh-preferences.c b/src/dh-preferences.c
similarity index 100%
rename from devhelp/dh-preferences.c
rename to src/dh-preferences.c
diff --git a/devhelp/dh-preferences.h b/src/dh-preferences.h
similarity index 100%
rename from devhelp/dh-preferences.h
rename to src/dh-preferences.h