Add libselinux for CM10.2 tree

Change-Id: I94979806935546fa40a87611be5185c14b557377
diff --git a/prebuilt/Android.mk b/prebuilt/Android.mk
index c152527..e31ec8e 100644
--- a/prebuilt/Android.mk
+++ b/prebuilt/Android.mk
@@ -49,6 +49,9 @@
 RELINK_SOURCE_FILES += $(TARGET_OUT_SHARED_LIBRARIES)/libext4_utils.so
 RELINK_SOURCE_FILES += $(TARGET_OUT_SHARED_LIBRARIES)/libaosprecovery.so
 RELINK_SOURCE_FILES += $(TARGET_OUT_SHARED_LIBRARIES)/libjpeg.so
+ifneq ($(wildcard external/libselinux/Android.mk),)
+    RELINK_SOURCE_FILES += $(TARGET_OUT_SHARED_LIBRARIES)/libselinux.so
+endif
 ifeq ($(BUILD_ID), GINGERBREAD)
     TW_NO_EXFAT := true
 endif