Add appprogress.{h,cpp} to the files list.

The wxMSW header was absent from both the bakefile and master file list, and
the latter also lacked the other wxAppProgressIndicator-related files.

Also regenerate the project file to contain the MSW header.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78337 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

build/msw/wx_vc7_core.vcproj

@@ -1628,6 +1628,9 @@
 			<File
 				RelativePath="..\..\include\wx\msw\window.h">
 			</File>
+			<File
+				RelativePath="..\..\include\wx\msw\appprogress.h">
+			</File>
 		</Filter>
 		<Filter
 			Name="Generic Headers"

build/msw/wx_vc8_core.vcproj

@@ -2673,6 +2673,10 @@
 				RelativePath="..\..\include\wx\msw\window.h"
 				>
 			</File>
+			<File
+				RelativePath="..\..\include\wx\msw\appprogress.h"
+				>
+			</File>
 		</Filter>
 		<Filter
 			Name="Generic Headers"

build/msw/wx_vc9_core.vcproj

@@ -2669,6 +2669,10 @@
 				RelativePath="..\..\include\wx\msw\window.h"
 				>
 			</File>
+			<File
+				RelativePath="..\..\include\wx\msw\appprogress.h"
+				>
+			</File>
 		</Filter>
 		<Filter
 			Name="Generic Headers"