Fixing up an incorrect boost version in packages.config.

Author: stgates

Release/src/build/vs12/packages.config

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="boost" version="1.58.0.0" targetFramework="Native" developmentDependency="true" />
+  <package id="boost" version="1.58.0" targetFramework="Native" developmentDependency="true" />
   <package id="boost_chrono-vc120" version="1.58.0.0" targetFramework="Native" developmentDependency="true" />
   <package id="boost_date_time-vc120" version="1.58.0.0" targetFramework="Native" developmentDependency="true" />
   <package id="boost_regex-vc120" version="1.58.0.0" targetFramework="Native" developmentDependency="true" />