Fix build on -current and quiet a warning by appropriate #include

svn path=/head/; revision=65672

devel/freelibiberty/files/patch-ab

@@ -0,0 +1,17 @@
+--- strsignal.c.orig	Thu Sep  5 00:36:12 2002
++++ strsignal.c	Thu Sep  5 00:38:57 2002
+@@ -208,14 +208,6 @@
+    same name, it differs from other implementations in that it is dynamically
+    initialized rather than statically initialized. */
+ 
+-#ifdef NSIG
+-static int sys_nsig = NSIG;
+-#else
+-#ifdef _NSIG
+-static int sys_nsig = _NSIG;
+-#endif
+-#endif
+-extern const char * const sys_siglist[];
+ 
+ 
+ /*

devel/freelibiberty/files/patch-ac

@@ -0,0 +1,10 @@
+--- xstrdup.c.orig	Thu Sep  5 00:40:27 2002
++++ xstrdup.c	Thu Sep  5 00:40:35 2002
+@@ -2,6 +2,7 @@
+    This trivial function is in the public domain.
+    Ian Lance Taylor, Cygnus Support, December 1995.  */
+ 
++#include <string.h>
+ #include "libiberty.h"
+ 
+ char *