destroy should forward to base class.

llvm-svn: 65151
diff --git a/clang/lib/AST/DeclObjC.cpp b/clang/lib/AST/DeclObjC.cpp
index ccf641f..98343e7 100644
--- a/clang/lib/AST/DeclObjC.cpp
+++ b/clang/lib/AST/DeclObjC.cpp
@@ -178,6 +178,7 @@
 /// Destroy - Call destructors and release memory.
 void ObjCImplementationDecl::Destroy(ASTContext& C) {
   IVars.clear();
+  Decl::Destroy(C);
 }