Add Bundle-Vendor to silence warning.

Change-Id: Iaf7109a351337be88d26cbe74249ad57a339ae27
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
diff --git a/org.eclipse.pde.build.tests/META-INF/MANIFEST.MF b/org.eclipse.pde.build.tests/META-INF/MANIFEST.MF
index 785a515..cd695ec 100644
--- a/org.eclipse.pde.build.tests/META-INF/MANIFEST.MF
+++ b/org.eclipse.pde.build.tests/META-INF/MANIFEST.MF
@@ -37,3 +37,4 @@
 Bundle-ActivationPolicy: lazy
 Eclipse-BundleShape: dir
 Automatic-Module-Name: org.eclipse.pde.build.tests
+Bundle-Vendor: Eclipse.org