Fixing the build break again

Summary: There was one more place in pom.xml which required version 0.14.0 of the plugin

Test Plan: built on my Laptop while connected to public wi-fi. I had to install Java 1.8. The swift plugin doesn't compile with 1.6.

Reviewers: MarkCallaghan

Reviewed By: MarkCallaghan

Differential Revision: https://reviews.facebook.net/D24561

pom.xml

@@ -255,7 +255,7 @@
             <plugin>
               <groupId>com.facebook.mojo</groupId>
               <artifactId>swift-maven-plugin</artifactId>
-              <version>0.14.0-SNAPSHOT</version>
+              <version>0.13.2</version>
               <executions>
                 <execution>
                   <goals>