First step in the Vim 7.3 branch.  Changed version numbers.
diff --git a/nsis/gvim.nsi b/nsis/gvim.nsi
index ab859e6..2dcd2b3 100644
--- a/nsis/gvim.nsi
+++ b/nsis/gvim.nsi
@@ -22,7 +22,7 @@
 !define HAVE_NLS
 
 !define VER_MAJOR 7
-!define VER_MINOR 2
+!define VER_MINOR 3a
 
 # ----------- No configurable settings below this line -----------