bump version for 3.1a2+
diff --git a/Include/patchlevel.h b/Include/patchlevel.h
index fea6eae..1671e19 100644
--- a/Include/patchlevel.h
+++ b/Include/patchlevel.h
@@ -23,7 +23,7 @@
 #define PY_RELEASE_SERIAL	2
 
 /* Version as a string */
-#define PY_VERSION      	"3.1a2"
+#define PY_VERSION      	"3.1a2+"
 /*--end constants--*/
 
 /* Subversion Revision number of this file (not of the repository) */