improve compatibility with cygwin, patch by Jay Foad!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62535 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp
index e5eef8f..9c7f904 100644
--- a/lib/Transforms/Scalar/GVN.cpp
+++ b/lib/Transforms/Scalar/GVN.cpp
@@ -1251,7 +1251,7 @@
     DenseMap<BasicBlock*, ValueNumberScope*>::iterator LA =
                                                        localAvail.find(Current);
     if (LA == localAvail.end()) return 0;
-    DenseMap<unsigned, Value*>::iterator V = LA->second->table.find(valno);
+    DenseMap<uint32_t, Value*>::iterator V = LA->second->table.find(valno);
     
     if (V != LA->second->table.end()) {
       // Found an instance, record it.