Add more checks for Intel compiler.

This should have been part of r74888.

Closes #15359.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74913 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/time.cpp

@@ -190,7 +190,7 @@ int wxGetTimeZone()
     struct timeb tb;
     ftime(&tb);
     return tb.timezone*60;
-#elif defined(__VISUALC__)
+#elif defined(__VISUALC__) || (defined(__WINDOWS__) && defined(__INTELC__))
     // We must initialize the time zone information before using it (this will
     // be done only once internally).
     _tzset();