Fix a user-reported error building with GCC 3.4.4 on Cygwin.

llvm-svn: 37445
diff --git a/llvm/lib/VMCore/Function.cpp b/llvm/lib/VMCore/Function.cpp
index 54ed25c..c10f8d7 100644
--- a/llvm/lib/VMCore/Function.cpp
+++ b/llvm/lib/VMCore/Function.cpp
@@ -271,7 +271,7 @@
 }
 
 const FunctionType *Intrinsic::getType(ID id, const Type **Tys, 
-                                       uint32_t numTys) {
+                                       unsigned numTys) {
   const Type *ResultTy = NULL;
   std::vector<const Type*> ArgTys;
   bool IsVarArg = false;