Fix adding new file to empty repo

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Gemfile

@@ -45,7 +45,7 @@ gem "browser"
 # Extracting information from a git repository
 # Provide access to Gitlab::Git library
-gem "gitlab_git", '~> 7.2.0'
+gem "gitlab_git", '~> 7.2.1'
 # Ruby/Rack Git Smart-HTTP Server Handler
 # GitLab fork with a lot of changes (improved thread-safety, better memory usage etc)

Gemfile.lock

@@ -225,7 +225,7 @@ GEM
       mime-types (~> 1.19)
     gitlab_emoji (0.1.0)
       gemojione (~> 2.0)
-    gitlab_git (7.2.0)
+    gitlab_git (7.2.1)
       activesupport (~> 4.0)
       charlock_holmes (~> 0.6)
       gitlab-linguist (~> 3.0)
@@ -733,7 +733,7 @@ DEPENDENCIES
   gitlab-grack (~> 2.0.2)
   gitlab-linguist (~> 3.0.1)
   gitlab_emoji (~> 0.1)
-  gitlab_git (~> 7.2.0)
+  gitlab_git (~> 7.2.1)
   gitlab_meta (= 7.0)
   gitlab_omniauth-ldap (= 1.2.1)
   gollum-lib (~> 4.0.2)

app/services/files/create_service.rb

@@ -42,7 +42,7 @@ module Files
           params[:new_branch]
         )
       else
-        created_successfull = repository.commit_file(
+        created_successfully = repository.commit_file(
           current_user,
           file_path,
           params[:content],