Added apache httpcore as dependency too.

Author: aborg0

com.diffbot.knime.feature/feature.xml

@@ -70,4 +70,18 @@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS&
          version="0.0.0"
          unpack="false"/>
 
+   <plugin
+         id="org.apache.httpcomponents.httpcore"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+   <plugin
+         id="org.apache.httpcomponents.httpcore.source"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
 </feature>