samples - Eliminate missing prototype warnings

testsuites/samples/hello/init.c

@@ -1,16 +1,5 @@
-/*  Init
- *
- *  This routine is the initialization task for this test program.
- *  It is called from init_exec and has the responsibility for creating
- *  and starting the tasks that make up the test.  If the time of day
- *  clock is required for the test, it should also be set to a known
- *  value by this function.
- *
- *  Input parameters:  NONE
- *
- *  Output parameters:  NONE
- *
- *  COPYRIGHT (c) 1989-1999.
+/*
+ *  COPYRIGHT (c) 1989-2012.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -27,6 +16,9 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+/* forward declarations to avoid warnings */
+rtems_task Init(rtems_task_argument argument);
+
 rtems_task Init(
   rtems_task_argument ignored
 )