- added precompiled headers code

- more Watcom+DOS+MGL fixes


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12920 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mgl/timer.cpp

@@ -12,6 +12,13 @@
 #pragma implementation "timer.h"
 #endif
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
 #include "wx/timer.h"
 
 #if wxUSE_TIMER