Win32: $request_time fixed.

On win32, time_t is 64 bits wide by default, and passing an ngx_msec_int_t
argument for %T format specifier doesn't work.  This doesn't manifest itself
on other platforms as time_t and ngx_msec_int_t are usually of the same size.
diff --git a/src/http/modules/ngx_http_log_module.c b/src/http/modules/ngx_http_log_module.c
index aa6a3fc..7eb29b3 100644
--- a/src/http/modules/ngx_http_log_module.c
+++ b/src/http/modules/ngx_http_log_module.c
@@ -780,7 +780,7 @@
              ((tp->sec - r->start_sec) * 1000 + (tp->msec - r->start_msec));
     ms = ngx_max(ms, 0);
 
-    return ngx_sprintf(buf, "%T.%03M", ms / 1000, ms % 1000);
+    return ngx_sprintf(buf, "%T.%03M", (time_t) ms / 1000, ms % 1000);
 }
 
 
diff --git a/src/http/ngx_http_variables.c b/src/http/ngx_http_variables.c
index 4138bda..3ec038a 100644
--- a/src/http/ngx_http_variables.c
+++ b/src/http/ngx_http_variables.c
@@ -1992,7 +1992,7 @@
              ((tp->sec - r->start_sec) * 1000 + (tp->msec - r->start_msec));
     ms = ngx_max(ms, 0);
 
-    v->len = ngx_sprintf(p, "%T.%03M", ms / 1000, ms % 1000) - p;
+    v->len = ngx_sprintf(p, "%T.%03M", (time_t) ms / 1000, ms % 1000) - p;
     v->valid = 1;
     v->no_cacheable = 0;
     v->not_found = 0;