Initialize CurMethodDecl to 0.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44463 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Sema/Sema.cpp b/Sema/Sema.cpp
index 6b799e0..7bafd7d 100644
--- a/Sema/Sema.cpp
+++ b/Sema/Sema.cpp
@@ -64,7 +64,7 @@
 }
 
 Sema::Sema(Preprocessor &pp, ASTContext &ctxt)
-  : PP(pp), Context(ctxt), CurFunctionDecl(0) {
+  : PP(pp), Context(ctxt), CurFunctionDecl(0), CurMethodDecl(0) {
   
   // Get IdentifierInfo objects for known functions for which we
   // do extra checking.