Make sure the test program builds easily as well

tools/Makefile

@@ -3,7 +3,7 @@ PREFIX	= /usr/local
 DESTDIR	= 
 BINDIR	= $(PREFIX)/bin
 CC	= cc
-CPPFLAGSF=
+CPPFLAGSF= -I ../include
 CPPFLAGS=
 CFLAGSF	= -W `pkg-config --cflags gtk+-2.0`
 CFLAGS	= -Wall -g -O2

tools/project.conf

@@ -1,4 +1,5 @@
 targets=panel_test
+cppflags_force=-I ../include
 cflags_force=-W `pkg-config --cflags gtk+-2.0`
 cflags=-Wall -g -O2
 ldflags_force=`pkg-config --libs libSystem gtk+-2.0`

tools/test.c

@@ -22,7 +22,7 @@
 #include <string.h>
 #include <dlfcn.h>
 #include <gtk/gtk.h>
-#include <Panel.h>
+#include "Panel.h"
 #include "../config.h"