difftool: fallback on merge.guitool

diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN
index 4a63ce35ad8ab012a78478b073b6397eb21c3666..498fce8b64af4af730bfe736b43c0ce311fc85a3 100755 (executable)
--- a/GIT-VERSION-GEN
+++ b/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=v2.15.3
+DEF_VER=v2.19.GIT
 
 LF='
 '