Fix out of source builds

Fixes #1018

src/common/dbus/Makefile.am

@@ -15,7 +15,7 @@ BUILT_SOURCES =				\
 
 CLEANFILES = $(BUILT_SOURCES)
 
-AM_CPPFLAGS = $(COMMON_CFLAGS) $(DBUS_CFLAGS)
+AM_CPPFLAGS = $(COMMON_CFLAGS) $(DBUS_CFLAGS) -I$(top_srcdir)/src/common
 
 noinst_PROGRAMS = example
 example_SOURCES = example.c

src/common/dbus/dbus-client.c

@@ -22,8 +22,8 @@
 #define GLIB_DISABLE_DEPRECATION_WARNINGS
 #include <dbus/dbus-glib.h>
 #include "dbus-client.h"
-#include "../hexchat.h"
-#include "../hexchatc.h"
+#include "hexchat.h"
+#include "hexchatc.h"
 
 #define DBUS_SERVICE "org.hexchat.service"
 #define DBUS_REMOTE "/org/hexchat/Remote"

src/common/dbus/dbus-plugin.c

@@ -25,7 +25,7 @@
 #include <dbus/dbus-glib.h>
 #include <dbus/dbus-glib-lowlevel.h>
 #include <glib/gi18n.h>
-#include "../hexchat-plugin.h"
+#include "hexchat-plugin.h"
 
 #define PNAME _("remote access")
 #define PDESC _("plugin for remote access using DBUS")