Update for llvm api change.

llvm-svn: 210919
diff --git a/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp b/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp
index 2ccd9e8..f96a9f2 100644
--- a/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp
+++ b/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryWriter.cpp
@@ -29,6 +29,7 @@
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/Casting.h"
+#include "llvm/Support/Errc.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/FileOutputBuffer.h"
@@ -376,7 +377,7 @@
       if (&sg1 == &sg2)
         continue;
       if (overlaps(sg1,sg2)) {
-        _ec = std::make_error_code(std::errc::executable_format_error);
+        _ec = make_error_code(llvm::errc::executable_format_error);
         return;
       }
     }
@@ -388,7 +389,7 @@
       if (&s1 == &s2)
         continue;
       if (overlaps(s1,s2)) {
-        _ec = std::make_error_code(std::errc::executable_format_error);
+        _ec = make_error_code(llvm::errc::executable_format_error);
         return;
       }
     }
@@ -409,7 +410,7 @@
       if ((s.address >= sg.address)
                         && (s.address+s.content.size() <= sg.address+sg.size)) {
         if (!sg.name.equals(s.segmentName)) {
-          _ec = std::make_error_code(std::errc::executable_format_error);
+          _ec = make_error_code(llvm::errc::executable_format_error);
           return;
         }
         _segInfo[&sg].sections.push_back(&s);