Win32: fixed comment in ngx_gettimeofday() calculations.

src/os/win32/ngx_time.c

diff --git a/src/os/win32/ngx_time.c b/src/os/win32/ngx_time.c
index bd6d287..79149b2 100644
--- a/src/os/win32/ngx_time.c
+++ b/src/os/win32/ngx_time.c
@@ -23,7 +23,7 @@
      * January 1, 1601 12:00 A.M. UTC.
      *
      * Between January 1, 1970 (Epoch) and January 1, 1601 there were
-     * 134744 days,
+     * 134774 days,
      * 11644473600 seconds or
      * 11644473600,000,000,0 100-nanosecond intervals.
      *