canvas: include <> for external includes

Change-Id: I63f1fe2f1dfc65b3e50e03e1d2ebb6256560bd5c
diff --git a/canvas/source/simplecanvas/simplecanvasimpl.cxx b/canvas/source/simplecanvas/simplecanvasimpl.cxx
index f04b811..9380436 100644
--- a/canvas/source/simplecanvas/simplecanvasimpl.cxx
+++ b/canvas/source/simplecanvas/simplecanvasimpl.cxx
@@ -35,7 +35,7 @@
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>

#include "canvas/canvastools.hxx"
#include <canvas/canvastools.hxx>

#include <boost/bind.hpp>

diff --git a/canvas/source/tools/elapsedtime.cxx b/canvas/source/tools/elapsedtime.cxx
index 1699c95..447936d 100644
--- a/canvas/source/tools/elapsedtime.cxx
+++ b/canvas/source/tools/elapsedtime.cxx
@@ -18,9 +18,9 @@
 */


#include "osl/time.h"
#include "osl/diagnose.h"
#include "canvas/elapsedtime.hxx"
#include <osl/time.h>
#include <osl/diagnose.h>
#include <canvas/elapsedtime.hxx>

#if defined(WNT)