Upgrade JGit to 4.9.0.201710071750-r

Change-Id: I5bee1d837cc8b5a0ab29ff29c35d9b218d334863
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index 2edde14..8b4a6ab 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -1,13 +1,13 @@
 load("//tools/bzl:maven_jar.bzl", "maven_jar", "GERRIT", "MAVEN_LOCAL", "MAVEN_CENTRAL")
 
-JGIT_VERSION = '4.8.0.201706111038-r'
+JGIT_VERSION = '4.9.0.201710071750-r'
 REPO = MAVEN_CENTRAL
 
 def external_plugin_deps():
   maven_jar(
     name = 'jgit_http_apache',
     artifact = 'org.eclipse.jgit:org.eclipse.jgit.http.apache:' + JGIT_VERSION,
-    sha1 = '78e55a9537e5f6b6fc196d72ad74009550dd3ed9',
+    sha1 = '4319a746e2a75d2803875b805702da3ad108386e',
     repository = REPO,
     unsign = True,
     exclude = [
@@ -19,7 +19,7 @@
   maven_jar(
     name = 'jgit_lfs',
     artifact = 'org.eclipse.jgit:org.eclipse.jgit.lfs:' + JGIT_VERSION,
-    sha1 = '7f9906508cb129022120a998bdfb662748a52a79',
+    sha1 = '4f6c7536c6459c639736207bf93e7037403b1953',
     repository = REPO,
     unsign = True,
     exclude = [
@@ -31,7 +31,7 @@
   maven_jar(
     name = 'jgit_lfs_server',
     artifact = 'org.eclipse.jgit:org.eclipse.jgit.lfs.server:' + JGIT_VERSION,
-    sha1 = 'd0631e2b55aeb41ddad167849f33f53a7eb58726',
+    sha1 = 'c1e4851ff14681d35e81f47fa25ae3eb1f838436',
     repository = REPO,
     unsign = True,
     exclude = [