Add transitive dependency on eclipse runtime

This dependency is needed by DaisyDiff, that transitively depends on it.

Change-Id: Ie3fc23d656ec842ef3b7d348e271931f010c514e

BUILD

diff --git a/BUILD b/BUILD
index 15ee7ed..5fb3338 100644
--- a/BUILD
+++ b/BUILD
@@ -31,6 +31,7 @@
         "@commons_io//jar",
         "@daisydiff//jar",
         "@docx4j//jar",
+        "@eclipse_runtime//jar",
         "@jaxb_svg11//jar",
         "@jaxb_xmldsig_core//jar",
         "@jaxb_xslfo//jar",

external_plugin_deps.bzl

diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index 161a4c4..8599465 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -24,6 +24,14 @@
   )
 
   maven_jar(
+    name = 'eclipse_runtime',
+    artifact = 'org.eclipse.core:runtime:20070801',
+    sha1 = '474e99ed838d5721569d658b68025134f920278f',
+    repository = 'https://maven.atlassian.com/content/repositories/atlassian-3rdparty',
+    attach_source = False,
+  )
+
+  maven_jar(
     name = 'docx4j',
     artifact = 'org.docx4j:docx4j:3.2.1',
     sha1 = '35b2ef9f7eb12efe9708b986ecf6e86cfd77a162',