Adding a dependency to sdnip's pom file so eclipse doesn't complain

Change-Id: Ic79fbc3ed6208472df43355f8c5a73f30511e438
diff --git a/apps/sdnip/pom.xml b/apps/sdnip/pom.xml
index 20972c5..f972f01 100644
--- a/apps/sdnip/pom.xml
+++ b/apps/sdnip/pom.xml
@@ -80,6 +80,11 @@
     </dependency>
 
     <dependency>
+        <groupId>org.osgi</groupId>
+        <artifactId>org.osgi.core</artifactId>
+    </dependency>
+
+    <dependency>
       <groupId>org.easymock</groupId>
       <artifactId>easymock</artifactId>
       <scope>test</scope>