SELinux can be assumed for Android 4.4+

Change-Id: I7410a0c8e439eec90a955ee9201efd9a92bb9635
diff --git a/libtar/append.c b/libtar/append.c
index 7c679f6..d8ba3ca 100644
--- a/libtar/append.c
+++ b/libtar/append.c
@@ -35,9 +35,7 @@
 # include <unistd.h>
 #endif
 
-#ifdef HAVE_SELINUX
-# include "selinux/selinux.h"
-#endif
+#include <selinux/selinux.h>
 
 #ifdef HAVE_EXT4_CRYPT
 # include "ext4crypt_tar.h"
@@ -105,7 +103,6 @@
 #endif
 	th_set_path(t, (savename ? savename : realname));
 
-#ifdef HAVE_SELINUX
 	/* get selinux context */
 	if (t->options & TAR_STORE_SELINUX)
 	{
@@ -129,7 +126,6 @@
 #endif
 		}
 	}
-#endif
 
 #ifdef HAVE_EXT4_CRYPT
 	if (TH_ISDIR(t) && t->options & TAR_STORE_EXT4_POL)