Include cerrno (gcc-3.4 fix)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13091 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Utils/Local.cpp

@@ -15,6 +15,7 @@
 #include "llvm/Transforms/Utils/Local.h"
 #include "llvm/Constants.h"
 #include "llvm/Instructions.h"
+#include <cerrno>
 #include <cmath>
 using namespace llvm;
 

tools/llvm-nm/llvm-nm.cpp

@@ -22,6 +22,7 @@
 #include "Support/FileUtilities.h"
 #include "Support/Signals.h"
 #include <cctype>
+#include <cerrno>
 #include <cstring>
 
 using namespace llvm;