fix: function pointer removed

Apparently go doesn't support those

main.go

@@ -32,14 +32,14 @@ var (
 // Wraps the normal configure function, but also gives you access to change the User Function, which is called upon login.
 // It is used to create or update a user.
 // The check middleware may be nil, in which case a default is used. Otherwise should be a valid gin middleware, calling c.Next() if okay to proceed.
-func ConfigureFull(r *gin.Engine, app_url string, default_redirect string, user_function UserFunc, stubs_on_unconfigured bool, check_middleware *func(c *gin.Context)) {
+func ConfigureFull(r *gin.Engine, app_url string, default_redirect string, user_function UserFunc, stubs_on_unconfigured bool, check_middleware func(c *gin.Context)) {
 	userFunc = user_function
 	Configure(r, app_url, default_redirect, stubs_on_unconfigured, check_middleware)
 }
 
 // Configure and set up the login SDK
 // The check middleware may be nil, in which case a default is used. Otherwise should be a valid gin middleware, calling c.Next() if okay to proceed.
-func Configure(r *gin.Engine, app_url string, default_redirect string, stubs_on_unconfigured bool, check_middleware *func(c *gin.Context)) {
+func Configure(r *gin.Engine, app_url string, default_redirect string, stubs_on_unconfigured bool, check_middleware func(c *gin.Context)) {
 	issuer := os.Getenv("OIDC_ISSUER")
 	clientID := os.Getenv("OIDC_CLIENT_ID")
 	clientSecret := os.Getenv("OIDC_CLIENT_SECRET")
@@ -76,7 +76,7 @@ func Configure(r *gin.Engine, app_url string, default_redirect string, stubs_on_
 	if check_middleware == nil {
 		r.GET("/auth/v2/check", EnsureLogin(false), check_finalizer)
 	} else {
-		r.GET("/auth/v2/check", EnsureLogin(false), *check_middleware, check_finalizer)
+		r.GET("/auth/v2/check", EnsureLogin(false), check_middleware, check_finalizer)
 	}
 	r.GET("/auth/v2/logout", logoutHandler)