add headers to the samples' bakefiles so that they show up in MSVC project files

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@59311 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/image/image.bkl

@@ -7,6 +7,7 @@
 
     <exe id="image" template="wx_sample" template_append="wx_append">
         <sources>image.cpp canvas.cpp</sources>
+        <headers>canvas.h</headers>
         <wx-lib>core</wx-lib>
         <wx-lib>base</wx-lib>
         <win32-res>image.rc</win32-res>

samples/image/image.dsp

@@ -263,6 +263,14 @@ SOURCE=.\image.cpp
 SOURCE=.\image.rc
 # End Source File
 # End Group
+# Begin Group "Header Files"
+
+# PROP Default_Filter ""
+# Begin Source File
+
+SOURCE=.\canvas.h
+# End Source File
+# End Group
 # End Target
 # End Project
 

samples/image/image_vc7.vcproj

@@ -532,6 +532,14 @@
 				RelativePath=".\image.cpp">
 			</File>
 		</Filter>
+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl;inc;xsd"
+			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}">
+			<File
+				RelativePath=".\canvas.h">
+			</File>
+		</Filter>
 		<Filter
 			Name="Resource Files"
 			Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"

samples/image/image_vc8.vcproj

@@ -796,6 +796,16 @@
 				>
 			</File>
 		</Filter>
+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl;inc;xsd"
+			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
+			>
+			<File
+				RelativePath=".\canvas.h"
+				>
+			</File>
+		</Filter>
 		<Filter
 			Name="Resource Files"
 			Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"

samples/image/image_vc9.vcproj

@@ -768,6 +768,16 @@
 				>
 			</File>
 		</Filter>
+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl;inc;xsd"
+			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
+			>
+			<File
+				RelativePath=".\canvas.h"
+				>
+			</File>
+		</Filter>
 		<Filter
 			Name="Resource Files"
 			Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"