Updated to Clang 3.5a.

Change-Id: I8127eb568f674c2e72635b639a3295381fe8af82
diff --git a/docs/LibASTMatchersTutorial.rst b/docs/LibASTMatchersTutorial.rst
index 5bd62a1..13749fb 100644
--- a/docs/LibASTMatchersTutorial.rst
+++ b/docs/LibASTMatchersTutorial.rst
@@ -137,6 +137,10 @@
       using namespace clang::tooling;
       using namespace llvm;
 
+      // Apply a custom category to all command-line options so that they are the
+      // only ones displayed.
+      static llvm::cl::OptionCategory MyToolCategory("my-tool options");
+
       // CommonOptionsParser declares HelpMessage with a description of the common
       // command-line options related to the compilation database and input files.
       // It's nice to have this help message in all tools.
@@ -146,7 +150,7 @@
       static cl::extrahelp MoreHelp("\nMore help text...");
 
       int main(int argc, const char **argv) {
-        CommonOptionsParser OptionsParser(argc, argv);
+        CommonOptionsParser OptionsParser(argc, argv, MyToolCategory);
         ClangTool Tool(OptionsParser.getCompilations(),
                        OptionsParser.getSourcePathList());
         return Tool.run(newFrontendActionFactory<clang::SyntaxOnlyAction>());
@@ -287,7 +291,7 @@
 .. code-block:: c++
 
       int main(int argc, const char **argv) {
-        CommonOptionsParser OptionsParser(argc, argv);
+        CommonOptionsParser OptionsParser(argc, argv, MyToolCategory);
         ClangTool Tool(OptionsParser.getCompilations(),
                        OptionsParser.getSourcePathList());