unpack-trees: remove 'extern' on function declaration

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 4baa413c74989af27b9df0cd1b365d8f90842a89..920678a14b8ce28c50b5769fcf0bba022798b6ae 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v2.17.1
+DEF_VER=v2.18.GIT
 
 LF='
 '