- merge xstat.c into xfuncs.c

libbb/xfuncs.c

@@ -487,3 +487,13 @@ void xlisten(int s, int backlog)
 	if (listen(s, backlog)) bb_perror_msg_and_die("listen");
 }
 #endif
+
+#ifdef L_xstat
+/* xstat() - a stat() which dies on failure with meaningful error message */
+void xstat(const char * const name, struct stat *stat_buf)
+{
+        if (stat(name, stat_buf))
+                bb_perror_msg_and_die("Can't stat '%s'", name);
+}
+#endif
+