Fix a couple of MinGW warnings.

daemon/daemon.c

@@ -67,7 +67,9 @@
 #define SPEED_T_STR "TB/s"
 
 static bool paused = false;
+#ifdef SIGHUP
 static bool seenHUP = false;
+#endif
 static const char *logfileName = NULL;
 static tr_sys_file_t logfile = TR_BAD_SYS_FILE;
 static tr_session * mySession = NULL;
@@ -262,7 +264,12 @@ tr_daemon (int nochdir, int noclose)
     return 0;
 
 #else /* USE_NO_DAEMON */
+
+    (void) nochdir;
+    (void) noclose;
+
     return 0;
+
 #endif
 }
 
@@ -364,6 +371,8 @@ printMessage (tr_sys_file_t logfile, int level, const char * name, const char *
         else
             syslog (priority, "%s (%s:%d)", message, file, line);
     }
+#else
+    (void) level;
 #endif
 }
 

libtransmission/platform-quota.c

@@ -359,6 +359,11 @@ tr_getQuotaFreeSpace (const struct tr_device_info * info)
     {
       ret = getquota (info->device);
     }
+
+#else /* _WIN32 */
+
+  (void) info;
+
 #endif /* _WIN32 */
 
   return ret;

libtransmission/torrent.c

@@ -2115,7 +2115,7 @@ torrentCallScript (const tr_torrent * tor, const char * script)
       tr_logAddTorInfo (tor, "Calling script \"%s\"", script);
 
 #ifdef _WIN32
-      if (_spawnvpe (_P_NOWAIT, script, (const char*)cmd, env) == -1)
+      if (_spawnvpe (_P_NOWAIT, script, (const char* const*)cmd, (const char* const*)env) == -1)
         tr_logAddTorErr (tor, "error executing script \"%s\": %s", cmd[0], tr_strerror (errno));
 #else
       signal (SIGCHLD, onSigCHLD);

libtransmission/utils-test.c

@@ -388,6 +388,8 @@ test_truncd (void)
   /* FIXME: MSCVRT behaves differently in case of nan */
   tr_snprintf (buf, sizeof (buf), "%.2f", tr_truncd (nan, 2));
   check (strstr (buf, "nan") != NULL);
+#else
+  (void) nan;
 #endif
 
   return 0;

libtransmission/web.c

@@ -348,6 +348,8 @@ tr_select (int nfds,
            struct timeval  * t)
 {
 #ifdef _WIN32
+  (void) nfds;
+
   if (!r_fd_set->fd_count && !w_fd_set->fd_count && !c_fd_set->fd_count)
     {
       const long int msec = t->tv_sec*1000 + t->tv_usec/1000;