Rename getNullPointer to getNull


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@708 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bytecode/Reader/ConstantReader.cpp b/lib/Bytecode/Reader/ConstantReader.cpp
index 8ccaf30..2775a8d 100644
--- a/lib/Bytecode/Reader/ConstantReader.cpp
+++ b/lib/Bytecode/Reader/ConstantReader.cpp
@@ -273,7 +273,7 @@
     if (SubClass != 0) return failure(true);
 
 
-    V = ConstPoolPointer::getNullPointer(PT);
+    V = ConstPoolPointer::getNull(PT);
     break;
   }