Cleanup setFunctionDefinitionAttributes.

Use more specific type, update comments and name style.

llvm-svn: 208328
diff --git a/clang/lib/CodeGen/CGCXX.cpp b/clang/lib/CodeGen/CGCXX.cpp
index ef29af7..d2b6276 100644
--- a/clang/lib/CodeGen/CGCXX.cpp
+++ b/clang/lib/CodeGen/CGCXX.cpp
@@ -217,7 +217,7 @@
 
   CodeGenFunction(*this).GenerateCode(GlobalDecl(ctor, ctorType), fn, fnInfo);
 
-  SetFunctionDefinitionAttributes(ctor, fn);
+  setFunctionDefinitionAttributes(ctor, fn);
   SetLLVMFunctionAttributesForDefinition(ctor, fn);
 }
 
@@ -274,7 +274,7 @@
 
   CodeGenFunction(*this).GenerateCode(GlobalDecl(dtor, dtorType), fn, fnInfo);
 
-  SetFunctionDefinitionAttributes(dtor, fn);
+  setFunctionDefinitionAttributes(dtor, fn);
   SetLLVMFunctionAttributesForDefinition(dtor, fn);
 }