Add a missing #include.

llvm-svn: 318512

diff --git a/lld/ELF/Filesystem.h b/lld/ELF/Filesystem.h
index cf170b7..987a74a 100644 (file)
--- a/lld/ELF/Filesystem.h
+++ b/lld/ELF/Filesystem.h
@@ -11,6 +11,7 @@
 #define LLD_ELF_FILESYSTEM_H
 
 #include "lld/Common/LLVM.h"
+#include <system_error>
 
 namespace lld {
 namespace elf {