strace: make this build again.

srcpkgs/strace/patches/use-sys-ptrace.h.patch

@@ -0,0 +1,13 @@
+Otherwise struct ptrace_peeksiginfo_args is redefined.
+
+--- process.c.orig	2014-01-08 18:07:14.306950549 +0100
++++ process.c	2014-01-08 18:07:19.585917125 +0100
+@@ -63,7 +63,7 @@
+ # ifdef HAVE_STRUCT_PT_ALL_USER_REGS
+ #  define pt_all_user_regs XXX_pt_all_user_regs
+ # endif
+-# include <linux/ptrace.h>
++# include <sys/ptrace.h>
+ # undef ia64_fpreg
+ # undef pt_all_user_regs
+ #endif