Update changelog date. (#1745)

Author: sean-mcmanus

Extension/CHANGELOG.md

@@ -1,6 +1,6 @@
 # C/C++ for Visual Studio Code Change Log
 
-## Version 0.16.0: March 22, 2018
+## Version 0.16.0: March 28, 2018
 * Enable autocomplete for local and global scopes. [#13](https://github.com/Microsoft/vscode-cpptools/issues/13)
 * Add a setting to define multiline comment patterns: `C_Cpp.commentContinuationPatterns`. [#1100](https://github.com/Microsoft/vscode-cpptools/issues/1100), [#1539](https://github.com/Microsoft/vscode-cpptools/issues/1539)
 * Add a setting to disable inactive region highlighting: `C_Cpp.dimInactiveRegions`. [#1592](https://github.com/Microsoft/vscode-cpptools/issues/1592)