Remove HAVE_SELINUX guards

Change-Id: Ia96201f20f7838d7d9e8926208977d3f8318ced4
diff --git a/minzip/Android.mk b/minzip/Android.mk
index 6c1d096..045f355 100644
--- a/minzip/Android.mk
+++ b/minzip/Android.mk
@@ -8,15 +8,11 @@
 	Inlines.c \
 	Zip.c
 
-LOCAL_C_INCLUDES += \
+LOCAL_C_INCLUDES := \
 	external/zlib \
 	external/safe-iop/include
 
-ifeq ($(HAVE_SELINUX),true)
-LOCAL_C_INCLUDES += external/libselinux/include
-LOCAL_STATIC_LIBRARIES += libselinux
-LOCAL_CFLAGS += -DHAVE_SELINUX
-endif
+LOCAL_STATIC_LIBRARIES := libselinux
 
 LOCAL_MODULE := libminzip