Fixed module config for external dependants.

SModule

@@ -1,6 +1,13 @@
 
 Import('env')
 
+public_dir = env.Dir('public')
+env.Append(CPPPATH = [public_dir])
 env = env.Module('private/raid/SModule')
 
-Return('env')
+LIB_CONFIG = {
+    'CPPPATH': [public_dir],
+    'LIBS': [env['lib_raid']]
+}
+
+Return('LIB_CONFIG')

private/raid/SModule

@@ -16,6 +16,6 @@ lib_raid = env.UnityStaticLibrary(
     source = src_files,
     dependencies = dependencies
 )
-env.Default(lib_raid)
+env['lib_raid'] = lib_raid
 
 Return('env')