Sparse 0.4.4-rc1

Signed-off-by: Christopher Li <sparse@chrisli.org>
diff --git a/Makefile b/Makefile
index 6379958..ad86014 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-VERSION=0.4.3
+VERSION=0.4.4-rc1
 
 OS = linux