Solaris 2.5 & 2.5.1 portability fixes, based on patches from Steve Murphy

* glibtop_machine.h, open.c, procargs.c, proclist.c, procmap.c:
          Solaris 2.5 & 2.5.1 portability fixes, based on patches
          from Steve Murphy <murf@e-tools.com>.

sysdeps/solaris/procargs.c

@@ -43,7 +43,11 @@ char *
 glibtop_get_proc_args_s (glibtop *server, glibtop_proc_args *buf,
 			 pid_t pid, unsigned max_len)
 {
+#ifdef HAVE_PROCFS_H
    	struct psinfo pinfo;
+#else
+	struct prpsinfo pinfo;
+#endif
 	int len, i;
 	char *ret, *p;