$OpenBSD$
From upstream 5bab6210ef2642110e27e272e23b05ff3befe383.
--- Source/Core/Common/FileUtil.cpp.orig	Fri Jun 24 02:09:07 2016
+++ Source/Core/Common/FileUtil.cpp	Mon Jul 18 00:16:17 2016
@@ -45,11 +45,6 @@
 #define S_ISDIR(m)  (((m)&S_IFMT) == S_IFDIR)
 #endif
 
-#if defined BSD4_4 || defined __FreeBSD__
-#define stat64 stat
-#define fstat64 fstat
-#endif
-
 // This namespace has various generic functions related to files and paths.
 // The code still needs a ton of cleanup.
 // REMEMBER: strdup considered harmful!
@@ -70,7 +65,7 @@ static void StripTailDirSlashes(std::string& fname)
 // Returns true if file filename exists
 bool Exists(const std::string& filename)
 {
-	struct stat64 file_info;
+	struct stat file_info;
 
 	std::string copy(filename);
 	StripTailDirSlashes(copy);
@@ -78,7 +73,7 @@ bool Exists(const std::string& filename)
 #ifdef _WIN32
 	int result = _tstat64(UTF8ToTStr(copy).c_str(), &file_info);
 #else
-	int result = stat64(copy.c_str(), &file_info);
+	int result = stat(copy.c_str(), &file_info);
 #endif
 
 	return (result == 0);
@@ -87,7 +82,7 @@ bool Exists(const std::string& filename)
 // Returns true if filename is a directory
 bool IsDirectory(const std::string& filename)
 {
-	struct stat64 file_info;
+	struct stat file_info;
 
 	std::string copy(filename);
 	StripTailDirSlashes(copy);
@@ -95,7 +90,7 @@ bool IsDirectory(const std::string& filename)
 #ifdef _WIN32
 	int result = _tstat64(UTF8ToTStr(copy).c_str(), &file_info);
 #else
-	int result = stat64(copy.c_str(), &file_info);
+	int result = stat(copy.c_str(), &file_info);
 #endif
 
 	if (result < 0)
@@ -386,11 +381,11 @@ u64 GetSize(const std::string& filename)
 		return 0;
 	}
 
-	struct stat64 buf;
+	struct stat buf;
 #ifdef _WIN32
 	if (_tstat64(UTF8ToTStr(filename).c_str(), &buf) == 0)
 #else
-	if (stat64(filename.c_str(), &buf) == 0)
+	if (stat(filename.c_str(), &buf) == 0)
 #endif
 	{
 		DEBUG_LOG(COMMON, "GetSize: %s: %lld",
@@ -406,8 +401,8 @@ u64 GetSize(const std::string& filename)
 // Overloaded GetSize, accepts file descriptor
 u64 GetSize(const int fd)
 {
-	struct stat64 buf;
-	if (fstat64(fd, &buf) != 0)
+	struct stat buf;
+	if (fstat(fd, &buf) != 0)
 	{
 		ERROR_LOG(COMMON, "GetSize: stat failed %i: %s",
 			fd, GetLastErrorMsg().c_str());