Documentation cleanup: Escaped # characters in Doxygen comments.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158568 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Frontend/HeaderSearchOptions.h b/include/clang/Frontend/HeaderSearchOptions.h
index 65119f0..ebc8f26 100644
--- a/include/clang/Frontend/HeaderSearchOptions.h
+++ b/include/clang/Frontend/HeaderSearchOptions.h
@@ -70,7 +70,7 @@
   };
 
   struct SystemHeaderPrefix {
-    /// A prefix to be matched against paths in #include directives.
+    /// A prefix to be matched against paths in \#include directives.
     std::string Prefix;
 
     /// True if paths beginning with this prefix should be treated as system
@@ -133,7 +133,7 @@
                                 IgnoreSysRoot, IsInternal, ImplicitExternC));
   }
 
-  /// AddSystemHeaderPrefix - Override whether #include directives naming a
+  /// AddSystemHeaderPrefix - Override whether \#include directives naming a
   /// path starting with \arg Prefix should be considered as naming a system
   /// header.
   void AddSystemHeaderPrefix(StringRef Prefix, bool IsSystemHeader) {