Update VERSION for 1.7.2 release

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
diff --git a/VERSION b/VERSION
index 943f9cb..f8a696c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.7.1
+1.7.2