[PATCH] guilt(1): fix path to git-sh-setup

git is in the process of moving subcommands to /usr/libexec/git-core

This move breaks an assumption in guilt about the location of
git-sh-setup.

We can ask git for where it thinks its executables live.

Signed-off-by: Alex Chiang <redacted>
---

diff --git a/guilt b/guilt
index 50414a4..ba4593a 100755
--- a/guilt
+++ b/guilt

@@ -23,7 +23,7 @@ esac
 # we change directories ourselves
 SUBDIRECTORY_OK=1
 
-. git-sh-setup
+. `git --exec-path`/git-sh-setup
 
 #
 # Git version check