Unbreak build with gcc 4.3: provide missed includes and silence most annoying warnings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47367 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-ld/llvm-ld.cpp b/tools/llvm-ld/llvm-ld.cpp
index 9d0d93f..6657c7c 100644
--- a/tools/llvm-ld/llvm-ld.cpp
+++ b/tools/llvm-ld/llvm-ld.cpp
@@ -38,6 +38,7 @@
 #include "llvm/System/Signals.h"
 #include <fstream>
 #include <memory>
+#include <cstring>
 using namespace llvm;
 
 // Input/Output Options