Fix compilation warnings due to prototype of thread_select

* src/thread.h <int select_func>: Make the 5th and 6th arguments
be 'const'.
* src/process.c [WINDOWSNT]:
* src/w32proc.c: Make the 5th and 6th argument to sys_select be
'const'.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/w32proc.c b/src/w32proc.c
index 3ff52c37fbd..6f3a6e0efca 100644
--- a/src/w32proc.c
+++ b/src/w32proc.c
@@ -72,7 +72,7 @@ extern BOOL g_b_init_compare_string_w;
 extern BOOL g_b_init_debug_break_process;
 
 int sys_select (int, SELECT_TYPE *, SELECT_TYPE *, SELECT_TYPE *,
-                struct timespec *, sigset_t *);
+                const struct timespec *, const sigset_t *);
 
 /* Signal handlers...SIG_DFL == 0 so this is initialized correctly.  */
 static signal_handler sig_handlers[NSIG];
@@ -2096,7 +2096,7 @@ extern int proc_buffered_char[];
 
 int
 sys_select (int nfds, SELECT_TYPE *rfds, SELECT_TYPE *wfds, SELECT_TYPE *efds,
-            struct timespec *timeout, sigset_t *ignored)
+            const struct timespec *timeout, const sigset_t *ignored)
 {
   SELECT_TYPE orfds, owfds;
   DWORD timeout_ms, start_time;