Kang in older minzip for building in CM9 & CM7

CM7 and CM9 do not have libselinux needed in the newer minzip.
diff --git a/twinstall.cpp b/twinstall.cpp
index 8af7099..1b9c23e 100644
--- a/twinstall.cpp
+++ b/twinstall.cpp
@@ -14,8 +14,13 @@
 #include "mincrypt/rsa.h"
 #include "mincrypt/sha.h"
 #include "minui/minui.h"
+#ifdef HAVE_SELINUX
 #include "minzip/SysUtil.h"
 #include "minzip/Zip.h"
+#else
+#include "minzipold/SysUtil.h"
+#include "minzipold/Zip.h"
+#endif
 #include "mtdutils/mounts.h"
 #include "mtdutils/mtdutils.h"
 #include "verifier.h"