wined3d: Store GetLastError() into an unsigned int.

dlls/wined3d/adapter_gl.c

@@ -264,7 +264,7 @@ static void wined3d_caps_gl_ctx_destroy(const struct wined3d_caps_gl_ctx *ctx)
 
     if (!wglDeleteContext(ctx->gl_ctx))
     {
-        DWORD err = GetLastError();
+        unsigned int err = GetLastError();
         ERR("wglDeleteContext(%p) failed, last error %#x.\n", ctx->gl_ctx, err);
     }
 

dlls/wined3d/context_gl.c

@@ -1543,7 +1543,7 @@ static void wined3d_context_gl_cleanup(struct wined3d_context_gl *context_gl)
 
     if (!wglDeleteContext(context_gl->gl_ctx))
     {
-        DWORD err = GetLastError();
+        unsigned int err = GetLastError();
         ERR("Failed to delete GL context %p, last error %#x.\n", context_gl->gl_ctx, err);
     }
 
@@ -1615,7 +1615,7 @@ BOOL wined3d_context_gl_set_current(struct wined3d_context_gl *context_gl)
         TRACE("Clearing current D3D context.\n");
         if (!wglMakeCurrent(NULL, NULL))
         {
-            DWORD err = GetLastError();
+            unsigned int err = GetLastError();
             ERR("Failed to clear current GL context, last error %#x.\n", err);
             TlsSetValue(wined3d_context_tls_idx, NULL);
             return FALSE;

dlls/wined3d/wined3d_main.c

@@ -275,7 +275,7 @@ static BOOL wined3d_dll_init(HINSTANCE hInstDLL)
     wined3d_context_tls_idx = TlsAlloc();
     if (wined3d_context_tls_idx == TLS_OUT_OF_INDEXES)
     {
-        DWORD err = GetLastError();
+        unsigned int err = GetLastError();
         ERR("Failed to allocate context TLS index, err %#x.\n", err);
         return FALSE;
     }
@@ -300,7 +300,7 @@ static BOOL wined3d_dll_init(HINSTANCE hInstDLL)
         ERR("Failed to register window class 'WineD3D_OpenGL'!\n");
         if (!TlsFree(wined3d_context_tls_idx))
         {
-            DWORD err = GetLastError();
+            unsigned int err = GetLastError();
             ERR("Failed to free context TLS index, err %#x.\n", err);
         }
         return FALSE;
@@ -502,7 +502,7 @@ static BOOL wined3d_dll_destroy(HINSTANCE hInstDLL)
 
     if (!TlsFree(wined3d_context_tls_idx))
     {
-        DWORD err = GetLastError();
+        unsigned int err = GetLastError();
         ERR("Failed to free context TLS index, err %#x.\n", err);
     }