Small fix in pom file

Author: pwendell

network/yarn/pom.xml

@@ -39,7 +39,7 @@
     <!-- Core dependencies -->
     <dependency>
       <groupId>org.apache.spark</groupId>
-      <artifactId>spark-network-shuffle_2.10</artifactId>
+      <artifactId>spark-network-shuffle_${scala.binary.version}</artifactId>
       <version>${project.version}</version>
     </dependency>