mark count with unused attribute
This may throw a warning with clang-15+ when devel logs are disabled
Fixes
../../../xrdp-0.9.19/sesman/chansrv/chansrv.c:198:9: error: variable 'count' set but not used [-Werror,-Wunused-but-set-variable]
@@ -197,7 +197,7 @@ check_timeout(void)
struct timeout_obj *temp_tobj;
int count;
tui32 now;
-
+ UNUSED_VAR(count);
LOG_DEVEL(LOG_LEVEL_DEBUG, "check_timeout:");
count = 0;
tobj = g_timeout_head;
