Updated configure.ac to 0.27.3.
diff --git a/configure.ac b/configure.ac
index 9ed181f..ffaf0e6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,7 +18,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.61])
-AC_INIT([mesos], [0.27.2])
+AC_INIT([mesos], [0.27.3])
 
 # Have autoconf setup some variables related to the system.
 AC_CANONICAL_HOST