Trim include

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134048 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Target/SubtargetFeature.h b/include/llvm/Target/SubtargetFeature.h
index 4213d9b..cbd2c3b 100644
--- a/include/llvm/Target/SubtargetFeature.h
+++ b/include/llvm/Target/SubtargetFeature.h
@@ -20,7 +20,6 @@
 
 #include <string>
 #include <vector>
-#include <cstring>
 #include "llvm/ADT/Triple.h"
 #include "llvm/Support/DataTypes.h"