explorerframe: Add dll stub.
diff --git a/configure b/configure
index a5b8dd0..6dd4a36 100755
--- a/configure
+++ b/configure
@@ -14503,6 +14503,7 @@
 wine_fn_config_dll dxgi enable_dxgi dxgi
 wine_fn_config_test dlls/dxgi/tests dxgi_test
 wine_fn_config_lib dxguid
+wine_fn_config_dll explorerframe enable_explorerframe
 wine_fn_config_dll faultrep enable_faultrep
 wine_fn_config_dll fltlib enable_fltlib
 wine_fn_config_dll fusion enable_fusion