Documentation cleanup: Made a parameter name in a \param command match the code

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158564 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclCXX.cpp b/lib/AST/DeclCXX.cpp
index 0e28a5e..3d76e68 100644
--- a/lib/AST/DeclCXX.cpp
+++ b/lib/AST/DeclCXX.cpp
@@ -969,7 +969,7 @@
 
 /// Collect the visible conversions of a base class.
 ///
-/// \param Base a base class of the class we're considering
+/// \param Record a base class of the class we're considering
 /// \param InVirtual whether this base class is a virtual base (or a base
 ///   of a virtual base)
 /// \param Access the access along the inheritance path to this base