regapi: Add a stub dll.
diff --git a/configure b/configure
index 5392e78..87e0908 100755
--- a/configure
+++ b/configure
@@ -15391,6 +15391,7 @@
 wine_fn_config_dll rasapi32 enable_rasapi32 implib
 wine_fn_config_test dlls/rasapi32/tests rasapi32_test
 wine_fn_config_dll rasdlg enable_rasdlg implib
+wine_fn_config_dll regapi enable_regapi
 wine_fn_config_dll resutils enable_resutils implib
 wine_fn_config_dll riched20 enable_riched20 implib
 wine_fn_config_test dlls/riched20/tests riched20_test