add patch for manpage of git annex pre-commit

doc/bugs/wrong_synopsis_in_manpage_of_git_annex_pre-commit.mdwn

@@ -0,0 +1,31 @@
+### Please describe the problem.
+
+The synopsis in the manpage of git annex pre-commit mentions
+git annex instead of git annex pre-commit.
+
+I'll attach a patch to fix the manpage, below:
+
+From f5fed6ccdcef3bcb8be07691265842d437037dec Mon Sep 17 00:00:00 2001
+From: Felix Gruber <felgru@gmx.de>
+Date: Fri, 1 May 2015 02:05:32 +0200
+Subject: [PATCH] fix synopsis in manpage of git annex pre-commit
+
+---
+ doc/git-annex-pre-commit.mdwn | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/doc/git-annex-pre-commit.mdwn b/doc/git-annex-pre-commit.mdwn
+index e0f6fdb..bc1e86e 100644
+--- a/doc/git-annex-pre-commit.mdwn
++++ b/doc/git-annex-pre-commit.mdwn
+@@ -4,7 +4,7 @@ git-annex pre-commit - run by git pre-commit hook
+ 
+ # SYNOPSIS
+ 
+-git annex  `[path ...]`
++git annex pre-commit `[path ...]`
+ 
+ # DESCRIPTION
+ 
+-- 
+2.1.4