Fix for time zone calculation

[Martin Fuchs <martin-fuchs@gmx.net>]

-- 
Martin Fuchs
martin-fuchs@gmx.net
Index: dlls/kernel/time.c
===================================================================
RCS file: /home/wine/wine/dlls/kernel/time.c,v
retrieving revision 1.30
diff -u -r1.30 time.c
--- dlls/kernel/time.c	7 Jan 2003 20:36:29 -0000	1.30
+++ dlls/kernel/time.c	4 Feb 2003 20:27:05 -0000
@@ -350,7 +350,6 @@
  *
  * RETURNS
  *
- *  Returns true when the local time was calculated.
  *  Returns TRUE when the local time was calculated.
  *
  */
@@ -385,8 +384,8 @@
     if (!_GetTimezoneBias(&tzinfo, lpUniversalTime, &lBias))
         return FALSE;
 
-    bias = lBias * 600000000; /* 60 seconds per minute, 100000 [100-nanoseconds-ticks] per second */
-    t += bias;
+    bias = (LONGLONG)lBias * 600000000; /* 60 seconds per minute, 100000 [100-nanoseconds-ticks] per second */
+    t -= bias;
 
     ft.dwLowDateTime  = (UINT)t;
     ft.dwHighDateTime = (UINT)(t >> 32);
@@ -435,8 +434,8 @@
     if (!_GetTimezoneBias(&tzinfo, lpUniversalTime, &lBias))
         return FALSE;
 
-    bias = lBias * 600000000; /* 60 seconds per minute, 100000 [100-nanoseconds-ticks] per second */
-    t -= bias;
+    bias = (LONGLONG)lBias * 600000000; /* 60 seconds per minute, 100000 [100-nanoseconds-ticks] per second */
+    t += bias;
 
     ft.dwLowDateTime  = (UINT)t;
     ft.dwHighDateTime = (UINT)(t >> 32);