Update gitlab_git to 7.1.5, to fix final line in EmailsOnPush email diff being rendered as error.

CHANGELOG

@@ -48,6 +48,7 @@ v 7.10.0 (unreleased)
   - Prevent note form from being cleared when submitting failed.
   - Improve file icons rendering on tree (Sullivan Sénéchal)
   - API: Add pagination to project events
+  - Fix final line in EmailsOnPush email diff being rendered as error.
 
 v 7.9.0
   - Send EmailsOnPush email when branch or tag is created or deleted.

Gemfile

@@ -39,7 +39,7 @@ gem "browser"
 
 # Extracting information from a git repository
 # Provide access to Gitlab::Git library
-gem "gitlab_git", '~> 7.1.3'
+gem "gitlab_git", '~> 7.1.5'
 
 # Ruby/Rack Git Smart-HTTP Server Handler
 gem 'gitlab-grack', '~> 2.0.0.rc2', require: 'grack'

Gemfile.lock

@@ -212,7 +212,7 @@ GEM
       mime-types (~> 1.19)
     gitlab_emoji (0.1.0)
       gemojione (~> 2.0)
-    gitlab_git (7.1.3)
+    gitlab_git (7.1.5)
       activesupport (~> 4.0)
       charlock_holmes (~> 0.6)
       gitlab-linguist (~> 3.0)
@@ -703,7 +703,7 @@ DEPENDENCIES
   gitlab-grack (~> 2.0.0.rc2)
   gitlab-linguist (~> 3.0.1)
   gitlab_emoji (~> 0.1)
-  gitlab_git (~> 7.1.3)
+  gitlab_git (~> 7.1.5)
   gitlab_meta (= 7.0)
   gitlab_omniauth-ldap (= 1.2.1)
   gollum-lib (~> 4.0.2)