Initialize the user defined conversion function to null if this is an aggregate initialization from an initializer list.
Initialize the user defined conversion function to null if this is an aggregate initialization from an initializer list.

Found by valgrind.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@149627 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang