sptests - Eliminate missing prototype warnings

testsuites/sptests/sp58/init.c

@@ -1,5 +1,5 @@
 /*
- *  COPYRIGHT (c) 1989-2009.
+ *  COPYRIGHT (c) 1989-2012.
  *  On-Line Applications Research Corporation (OAR).
  *
  *  The license and distribution terms for this file may be
@@ -17,6 +17,11 @@
 #include <rtems/score/timespec.h>
 #include <rtems/score/threadq.h>
 
+/* forward declarations to avoid warnings */
+rtems_task Init(rtems_task_argument argument);
+void timespec_divide_by_zero(void);
+void timespec_greater_than_lhs_sec_less(void);
+
 void timespec_divide_by_zero(void)
 {
   struct timespec      t1;