Add libselinux to LOCAL_STATIC_LIBRARIES wherever libext4_utils is used.

libext4_utils now calls libselinux in order to determine the
file security context to set on files when creating ext4 images.

Change-Id: I09fb9d563d22ee106bf100eacd4cd9c6300b1152
diff --git a/updater/Android.mk b/updater/Android.mk
index 8d731db..2c51f99 100644
--- a/updater/Android.mk
+++ b/updater/Android.mk
@@ -22,6 +22,11 @@
 LOCAL_CFLAGS += -DUSE_EXT4
 LOCAL_C_INCLUDES += system/extras/ext4_utils
 LOCAL_STATIC_LIBRARIES += libext4_utils libz
+ifeq ($(HAVE_SELINUX), true)
+LOCAL_C_INCLUDES += external/libselinux/include
+LOCAL_STATIC_LIBRARIES += libselinux
+LOCAL_CFLAGS += -DHAVE_SELINUX
+endif # HAVE_SELINUX
 endif
 
 LOCAL_STATIC_LIBRARIES += $(TARGET_RECOVERY_UPDATER_LIBS) $(TARGET_RECOVERY_UPDATER_EXTRA_LIBS)