Add newlines at end of file (this can annoy gcov)

llvm-svn: 67000
diff --git a/llvm/lib/CodeGen/VirtRegMap.cpp b/llvm/lib/CodeGen/VirtRegMap.cpp
index 2c7037c..cb0f764 100644
--- a/llvm/lib/CodeGen/VirtRegMap.cpp
+++ b/llvm/lib/CodeGen/VirtRegMap.cpp
@@ -221,4 +221,4 @@
 
 void VirtRegMap::dump() const {
   print(cerr);
-}
\ No newline at end of file
+}