Remove the workaround for broken ptrace prototypes
that seems to be unneeded for quite a long time.
* defs.h [NEED_PTRACE_PROTOTYPE_WORKAROUND]: Remove.
#ifndef STRACE_PTRACE_H
#define STRACE_PTRACE_H
-#ifdef NEED_PTRACE_PROTOTYPE_WORKAROUND
-# define ptrace xptrace
-# include <sys/ptrace.h>
-# undef ptrace
-extern long ptrace(int, int, char *, long);
-#else
-# include <sys/ptrace.h>
-#endif
+#include <sys/ptrace.h>
#ifdef HAVE_STRUCT_IA64_FPREG
# define ia64_fpreg XXX_ia64_fpreg