Add missing prototypes.

From-SVN: r178419

gcc/ada/adaint.c

@@ -3856,6 +3856,7 @@ void __gnat_cpu_set (int cpu, size_t count ATTRIBUTE_UNUSED, cpu_set_t *set)
   CPU_SET (cpu - 1, set);
 }
 #endif
+#endif
 
 #ifdef __cplusplus
 }

gcc/ada/adaint.h

@@ -245,6 +245,11 @@ extern int    __gnat_number_of_cpus                (void);
 
 extern void   __gnat_os_filename                   (char *, char *, char *,
 						    int *, char *, int *);
+
+extern char * __gnat_locate_executable_file        (char *, char *);
+extern char * __gnat_locate_file_with_predicate    (char *, char *,
+						    int (*)(char*));
+
 #if defined (linux)
 extern void   *__gnat_lwp_self			   (void);