http: fix pom.xml hg url

https://codereview.appspot.com/7852043/

Author: ngmiceli-g

pom.xml

@@ -28,7 +28,7 @@
 
  <scm>
  <connection>scm:hg:https://code.google.com/p/google-http-java-client/</connection>
- <developerConnection>scm:hg:code.google.com/p/google-http-java-client/</developerConnection>
+ <developerConnection>scm:hg:https://code.google.com/p/google-http-java-client/</developerConnection>
  <url>http://code.google.com/p/google-http-java-client/source/browse/</url>
  </scm>