Fix two more compile errros on Windows.

source/common/wintz.c

 /*
 ********************************************************************************
 *   Copyright (C) 2005-2013, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 ********************************************************************************
 *
 * File WINTZ.CPP
 *
 ********************************************************************************
 */
@@ skipping 267 matching lines @@
            sizeof(apiTZI.DaylightDate));
 
     /* Convert the wchar_t* standard name to char* */
     uprv_memset(apiStdName, 0, sizeof(apiStdName));
     u_strFromWCS(apiStd, MAX_LENGTH_ID, NULL, apiTZI.StandardName, -1, &status);
     u_austrncpy(apiStdName, apiStd, sizeof(apiStdName) - 1);
 
     tmpid[0] = 0;
 
     id = GetUserGeoID(GEOCLASS_NATION);
-    errorCode = GetGeoInfo(id,GEO_ISO2,ISOcode,3,0);
+    errorCode = GetGeoInfoA(id,GEO_ISO2,ISOcode,3,0);
 
     bundle = ures_openDirect(NULL, "windowsZones", &status);
     ures_getByKey(bundle, "mapTimezones", bundle, &status);
 
     /* Note: We get the winid not from static tables but from resource bundle. */
     while (U_SUCCESS(status) && ures_hasNext(bundle)) {
         UBool idFound = FALSE;
         const char* winid;
         UResourceBundle* winTZ = ures_getNextResource(bundle, NULL, &status);
         if (U_FAILURE(status)) {
@@ skipping 62 matching lines @@
             uprv_strcpy(icuid, tmpid);
         }
     }
 
     ures_close(bundle);
     
     return icuid;
 }
 
 #endif /* U_PLATFORM_HAS_WIN32_API */