add missed SConscript file.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1076 bbd45198-f89e-11dd-88c7-29a3b14d5316

components/libc/SConscript

+# for libc component
+import os
+Import('RTT_ROOT')
+
+objs = []
+list = os.listdir(os.path.join(RTT_ROOT, 'components', 'libc'))
+
+for d in list:
+    path = os.path.join(RTT_ROOT, 'components', 'libc', d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        objs = objs + SConscript(os.path.join(d, 'SConscript'))
+
+Return('objs')

components/net/SConscript

+# for libc component
+import os
+Import('RTT_ROOT')
+
+objs = []
+list = os.listdir(os.path.join(RTT_ROOT, 'components', 'net'))
+
+for d in list:
+    path = os.path.join(RTT_ROOT, 'components', 'net', d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        objs = objs + SConscript(os.path.join(d, 'SConscript'))
+
+Return('objs')