sync RTGUI with github(https://github.com/RT-Thread/RTGUI)

a8dac7ed473f381b7042cf9d14028488192624c5
As always, full log is in GitHub.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2276 bbd45198-f89e-11dd-88c7-29a3b14d5316

components/external/lzo/SConscript

@@ -0,0 +1,13 @@
+Import('RTT_ROOT')
+Import('rtconfig')
+from building import *
+
+src	= Split('''
+minilzo.c
+lzo.c
+''')
+CPPPATH = [RTT_ROOT + '/components/external/lzo']
+
+group = DefineGroup('lzo', src, depend = ['RT_USING_LZO'], CPPPATH = CPPPATH)
+
+Return('group')