strace: upgrade to 4.6

(From OE-Core rev: 2b81cf3d76241572c299a0a58a3d0ca022bef9a0)

Signed-off-by: Shane Wang <shane.wang@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/strace/strace-4.6/sigmask.patch

@@ -0,0 +1,23 @@
+sigmask is a macro which is dropped if BSD compatibility is
+not enabled. So we check if the macro does not exist then
+we define it to __sigmask
+
+Upstream-Status: Inappropriate [configuration]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+
+Index: strace-4.5.20/signal.c
+===================================================================
+--- strace-4.5.20.orig/signal.c	2010-02-23 13:26:16.000000000 -0800
++++ strace-4.5.20/signal.c	2011-07-20 23:06:35.842339197 -0700
+@@ -140,6 +140,11 @@
+ #endif
+ #endif /* LINUX */
+ 
++#if !defined (sigmask) && defined (__sigmask)
++/* Compute mask for signal SIG.  */
++#define sigmask(sig)   __sigmask(sig)
++#endif /* sigmask */
++
+ const char *const signalent0[] = {
+ #include "signalent.h"
+ };