Quick build fix.

llvm-svn: 210838
diff --git a/clang-tools-extra/clang-apply-replacements/lib/Tooling/ApplyReplacements.cpp b/clang-tools-extra/clang-apply-replacements/lib/Tooling/ApplyReplacements.cpp
index b21cd2b..f11d4c6 100644
--- a/clang-tools-extra/clang-apply-replacements/lib/Tooling/ApplyReplacements.cpp
+++ b/clang-tools-extra/clang-apply-replacements/lib/Tooling/ApplyReplacements.cpp
@@ -29,6 +29,7 @@
 
 using namespace llvm;
 using namespace clang;
+using std::error_code;
 
 
 static void eatDiagnostics(const SMDiagnostic &, void *) {}
diff --git a/clang-tools-extra/clang-apply-replacements/tool/ClangApplyReplacementsMain.cpp b/clang-tools-extra/clang-apply-replacements/tool/ClangApplyReplacementsMain.cpp
index a92b29c..2e5271b 100644
--- a/clang-tools-extra/clang-apply-replacements/tool/ClangApplyReplacementsMain.cpp
+++ b/clang-tools-extra/clang-apply-replacements/tool/ClangApplyReplacementsMain.cpp
@@ -27,6 +27,7 @@
 using namespace llvm;
 using namespace clang;
 using namespace clang::replace;
+using std::error_code;
 
 static cl::opt<std::string> Directory(cl::Positional, cl::Required,
                                       cl::desc("<Search Root Directory>"));
diff --git a/clang-tools-extra/clang-modernize/Core/IncludeExcludeInfo.cpp b/clang-tools-extra/clang-modernize/Core/IncludeExcludeInfo.cpp
index 3d08a0b6..2e4f1c21a 100644
--- a/clang-tools-extra/clang-modernize/Core/IncludeExcludeInfo.cpp
+++ b/clang-tools-extra/clang-modernize/Core/IncludeExcludeInfo.cpp
@@ -21,6 +21,7 @@
 #include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
+using std::error_code;
 
 /// A string type to represent paths.
 typedef SmallString<64> PathString;
diff --git a/clang-tools-extra/clang-modernize/Core/ReplacementHandling.cpp b/clang-tools-extra/clang-modernize/Core/ReplacementHandling.cpp
index 19e2ddf..6af01b8 100644
--- a/clang-tools-extra/clang-modernize/Core/ReplacementHandling.cpp
+++ b/clang-tools-extra/clang-modernize/Core/ReplacementHandling.cpp
@@ -23,6 +23,7 @@
 using namespace llvm;
 using namespace llvm::sys;
 using namespace clang::tooling;
+using std::error_code;
 
 bool ReplacementHandling::findClangApplyReplacements(const char *Argv0) {
   CARPath = FindProgramByName("clang-apply-replacements");
diff --git a/clang-tools-extra/modularize/Modularize.cpp b/clang-tools-extra/modularize/Modularize.cpp
index 5dc11b2..4662a7f 100644
--- a/clang-tools-extra/modularize/Modularize.cpp
+++ b/clang-tools-extra/modularize/Modularize.cpp
@@ -175,6 +175,7 @@
 using namespace llvm;
 using namespace llvm::opt;
 using namespace Modularize;
+using std::error_code;
 
 // Option to specify a file name for a list of header files to check.
 cl::opt<std::string>
diff --git a/clang-tools-extra/module-map-checker/ModuleMapChecker.cpp b/clang-tools-extra/module-map-checker/ModuleMapChecker.cpp
index e85eb69..87360f8 100644
--- a/clang-tools-extra/module-map-checker/ModuleMapChecker.cpp
+++ b/clang-tools-extra/module-map-checker/ModuleMapChecker.cpp
@@ -97,6 +97,7 @@
 using namespace llvm;
 using namespace llvm::opt;
 using namespace llvm::sys;
+using std::error_code;
 
 // Option for include paths.
 static cl::list<std::string>