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/dialogs/dialogs.bkl

@@ -32,6 +32,7 @@
             dialogs.cpp
             $(GENERIC_DIALOGS_IN_NATIVE_BUILDS)
         </sources>
+        <headers>dialogs.h</headers>
         <wx-lib>adv</wx-lib>
         <wx-lib>core</wx-lib>
         <wx-lib>base</wx-lib>

samples/dialogs/dialogs.dsp

@@ -405,6 +405,14 @@ SOURCE=.\..\..\src\generic\fontdlgg.cpp
 
 !ENDIF
 
+# End Source File
+# End Group
+# Begin Group "Header Files"
+
+# PROP Default_Filter ""
+# Begin Source File
+
+SOURCE=.\dialogs.h
 # End Source File
 # End Group
 # End Target

samples/dialogs/dialogs_vc7.vcproj

@@ -613,6 +613,14 @@
 					ExcludedFromBuild="TRUE"/>
 			</File>
 		</Filter>
+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl;inc;xsd"
+			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}">
+			<File
+				RelativePath=".\dialogs.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/dialogs/dialogs_vc8.vcproj

@@ -904,6 +904,16 @@
 				/>
 			</File>
 		</Filter>
+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl;inc;xsd"
+			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
+			>
+			<File
+				RelativePath=".\dialogs.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/dialogs/dialogs_vc9.vcproj

@@ -876,6 +876,16 @@
 				/>
 			</File>
 		</Filter>
+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl;inc;xsd"
+			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
+			>
+			<File
+				RelativePath=".\dialogs.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"