t5000-tar-tree.sh: use the $( ... ) construct for command substitution

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 2b97352dd3b113b46bbd53248315ab91f0a9356b..a651d68656617182ef79e9bad5d539d74346b83c 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v1.9.0
+DEF_VER=v1.9.0.GIT
 
 LF='
 '