wrapper.c: add and use fopen_or_warn()

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 6a208e92bf30c849028268b5fca54b902f671bbd..598353ea087804d24438cf8e7f3a1236ece347d9 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v2.12.0
+DEF_VER=v2.13.0-rc1
 
 LF='
 '