dxdiag: Enable visual styles.

programs/dxdiag/Makefile.in

 MODULE    = dxdiag.exe
-IMPORTS   = dxguid ole32 oleaut32 user32
+IMPORTS   = dxguid ole32 oleaut32 user32 comctl32
 
 EXTRADLLFLAGS = -mwindows -municode -mno-cygwin
 

programs/dxdiag/dxdiag.manifest

+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+<assemblyIdentity type="win32" name="Wine.Dxdiag" version="0.0.0.0"/>
+<dependency>
+    <dependentAssembly>
+        <assemblyIdentity
+            type="win32"
+            name="Microsoft.Windows.Common-Controls"
+            version="6.0.0.0"
+            processorArchitecture="*"
+            publicKeyToken="6595b64144ccf1df"
+            language="*"
+        />
+    </dependentAssembly>
+</dependency>
+</assembly>

programs/dxdiag/dxdiag.rc

@@ -29,3 +29,6 @@ STRINGTABLE
     STRING_DXDIAG_TOOL, "DirectX Diagnostic Tool"
     STRING_USAGE, "Usage: dxdiag [/whql:off | /whql:on] [/t filename | /x filename]"
 }
+
+/* @makedep: dxdiag.manifest */
+1 RT_MANIFEST dxdiag.manifest

programs/dxdiag/dxdiag_private.h

@@ -19,6 +19,7 @@
  */
 
 #include <windef.h>
+#include <winuser.h>
 
 /* Resource definitions. */
 #define MAX_STRING_LEN          1024

programs/dxdiag/main.c

@@ -21,6 +21,7 @@
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #include <dxdiag.h>
+#include <commctrl.h>
 
 #include "wine/debug.h"
 #include "dxdiag_private.h"
@@ -180,6 +181,8 @@ int WINAPI wWinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPWSTR cmdline, int cm
     struct command_line_info info;
     struct dxdiag_information *dxdiag_info;
 
+    InitCommonControls();
+
     hInstance = hInst;
 
     if (!process_command_line(cmdline, &info))