am: teach StGit patch parser how to read from stdin

diff --git a/git-gui/GIT-VERSION-GEN b/git-gui/GIT-VERSION-GEN
index a9ea21826a4ce016cfa270ac5945f29d10fb897d..a88b6824b908d89ee185b84ed92b9c122b0118dd 100755 (executable)
--- a/git-gui/GIT-VERSION-GEN
+++ b/git-gui/GIT-VERSION-GEN
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 GVF=GIT-VERSION-FILE
-DEF_VER=0.19.GITGUI
+DEF_VER=0.20.GITGUI
 
 LF='
 '