Get rid of file descriptor leak in create_file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16395 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/Unix/Path.cpp b/lib/System/Unix/Path.cpp
index 182a0bbd..c9333de 100644
--- a/lib/System/Unix/Path.cpp
+++ b/lib/System/Unix/Path.cpp
@@ -377,8 +377,10 @@
   if (!is_file()) return false; 
 
   // Create the file
-  if (0 != creat(path.c_str(), S_IRUSR | S_IWUSR))
+  int fd = ::creat(path.c_str(), S_IRUSR | S_IWUSR);
+  if (fd < 0)
     ThrowErrno(std::string(path.c_str()) + ": Can't create file");
+  ::close(fd);
 
   return true;
 }