matrix compile fix

make listctrl scroll one line in report more,
    not some arbitrary 15 pixels


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8798 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/matrix.cpp

@@ -27,7 +27,7 @@
 #include "wx/defs.h"
 #endif
 
-#include "wxmatrix.h"
+#include "wx/matrix.h"
 #include <math.h>
 
 const double pi = 3.1415926535;