Implemented/stubbed IconSize() and ControlPanelInfo() needed for Win
2.0 control.exe and paint.exe.

diff --git a/windows/cursoricon.c b/windows/cursoricon.c
index f0923ca..1e9d29d 100644
--- a/windows/cursoricon.c
+++ b/windows/cursoricon.c
@@ -1347,6 +1347,17 @@
 
 
 /***********************************************************************
+ *           IconSize16    (USER.86)
+ *
+ * See "Undocumented Windows". Used by W2.0 paint.exe.
+ */
+DWORD WINAPI IconSize16( void )
+{
+    return MAKELONG(GetSystemMetrics(SM_CYICON), GetSystemMetrics(SM_CXICON));
+}
+
+
+/***********************************************************************
  *           DumpIcon    (USER.459)
  */
 DWORD WINAPI DumpIcon16( SEGPTR pInfo, WORD *lpLen,