Cygwin: remove unused tmpbuf.h

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

winsup/cygwin/tmpbuf.h

@@ -1,25 +0,0 @@
-/* tmpbuf.h
-
-This software is a copyrighted work licensed under the terms of the
-Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
-details. */
-
-#ifndef _TMPBUF_H
-#define _TMPBUF_H
-class tmpbuf
-{
-  void *buf;
-public:
-  tmpbuf (size_t size = NT_MAX_PATH)
-  {
-    buf = calloc (1, size);
-    if (!buf)
-      api_fatal ("allocation of temporary buffer failed");
-  }
-  operator void * () {return buf;}
-  operator char * () {return (char *) buf;}
-  operator PSECURITY_DESCRIPTOR () {return (PSECURITY_DESCRIPTOR) buf;}
-  PSECURITY_DESCRIPTOR operator -> () {return  (PSECURITY_DESCRIPTOR) buf;}
-  ~tmpbuf () {free (buf);}
-};
-#endif /*_TMPBUF_H*/