Improvements to the FunctionDecl getters/setters.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71800 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Decl.cpp b/lib/AST/Decl.cpp
index 319d4d5..c62c1e2 100644
--- a/lib/AST/Decl.cpp
+++ b/lib/AST/Decl.cpp
@@ -123,12 +123,12 @@
                                    SourceLocation L, 
                                    DeclarationName N, QualType T, 
                                    StorageClass S, bool isInline, 
-                                   bool hasPrototype,
+                                   bool hasWrittenPrototype,
                                    SourceLocation TypeSpecStartLoc) {
   FunctionDecl *New 
     = new (C) FunctionDecl(Function, DC, L, N, T, S, isInline, 
                            TypeSpecStartLoc);
-  New->HasPrototype = hasPrototype;
+  New->HasWrittenPrototype = hasWrittenPrototype;
   return New;
 }