Fix code to make GCC 2.96 happy


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@753 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/Expressions.cpp b/lib/Analysis/Expressions.cpp
index e6f4cfa..ed04f1d 100644
--- a/lib/Analysis/Expressions.cpp
+++ b/lib/Analysis/Expressions.cpp
@@ -73,7 +73,8 @@
 
 static ConstPoolInt *getUnsignedConstant(uint64_t V, const Type *Ty) {
   if (Ty->isPointerType()) Ty = Type::ULongTy;
-  return Ty->isSigned() ? ConstPoolSInt::get(Ty, V) : ConstPoolUInt::get(Ty, V);
+  return Ty->isSigned() ? (ConstPoolInt*)ConstPoolSInt::get(Ty, V)
+                        : (ConstPoolInt*)ConstPoolUInt::get(Ty, V);
 }
 
 // Add - Helper function to make later code simpler.  Basically it just adds