use libblkid to get filesystem type
we can now use libblkid to detect exfat
diff --git a/libblkid/rpmatch.h b/libblkid/rpmatch.h
new file mode 100644
index 0000000..d62634b
--- /dev/null
+++ b/libblkid/rpmatch.h
@@ -0,0 +1,9 @@
+#ifndef UTIL_LINUX_RPMATCH_H
+#define UTIL_LINUX_RPMATCH_H
+
+#ifndef HAVE_RPMATCH
+#define rpmatch(r) \
+	(*r == 'y' || *r == 'Y' ? 1 : *r == 'n' || *r == 'N' ? 0 : -1)
+#endif
+
+#endif /* UTIL_LINUX_RPMATCH_H */