Mod auth imap for apache2.4 patch

The following patch can be applied to the mod_auth_imap module found at http://ben.brillat.net/projects/mod_auth_imap/ to make it work with apache2.4

--- mod_auth_imap.c.orig	2015-09-15 20:51:06.321378328 -0400
+++ mod_auth_imap.c	2015-09-15 20:54:18.553530740 -0400
@@ -20,6 +20,8 @@
 #include "apr_dbm.h"
 #include "apr_md5.h"
 
+#include "mod_auth.h"
+
 #include "httpd.h"
 #include "http_config.h"
 #include "http_core.h"
@@ -346,56 +348,10 @@
  * 	checks the username against the allowed users in the .htaccess or httpd.conf
  * 	returns "OK", "DECLINED", or "HTTP_UNAUTHORIZED" (see defines)
  *******************************************************************************/    
-static int imap_check_user_access (request_rec *r) {
-    imap_config_rec *sec =
-     (imap_config_rec *)ap_get_module_config (r->per_dir_config, &auth_imap_module);
-    char *user = r->user;
-    int m = r->method_number;
-    int method_restricted = 0;
-    register int x;
-    const char *t, *w;
-    const apr_array_header_t *reqs_arr = ap_requires (r);
-    require_line *reqs;
-
-    if (!reqs_arr)
-        return (OK);
-    reqs = (require_line *)reqs_arr->elts;
-  
-    for(x=0; x < reqs_arr->nelts; x++) {
-      
-	if (! (reqs[x].method_mask & (1 << m))) continue;
-	
-	method_restricted = 1;
-
-        t = reqs[x].requirement;
-        w = ap_getword(r->pool, &t, ' ');
-        if(!strcmp(w,"valid-user"))
-            return OK;
-        if(!strcmp(w,"user")) {
-            while(t[0]) {
-                w = ap_getword_conf (r->pool, &t);
-                if(!strcmp(user,w))
-                    return OK;
-            }
-        }
-	else if(!strcmp(w,"group"))
-	        return DECLINED;
-    }
-    
-    if (!method_restricted)
-      return OK;
-
-    if (!(sec->imap_authoritative))
-      return DECLINED;
-
-    ap_note_basic_auth_failure (r);
-    return HTTP_UNAUTHORIZED;
-}
 
 static void imap_register_hooks(apr_pool_t *p) {
-    ap_hook_check_user_id(imap_authenticate_basic_user, NULL, NULL, 
-                          APR_HOOK_MIDDLE);
-    ap_hook_auth_checker(imap_check_user_access, NULL, NULL, APR_HOOK_MIDDLE);
+	ap_register_auth_provider(p, AUTHN_PROVIDER_GROUP, "IMAP", AUTHN_PROVIDER_VERSION, &auth_imap_module, AP_AUTH_INTERNAL_PER_CONF);
+        ap_register_auth_provider(p, AUTHZ_PROVIDER_GROUP, "valid-user", AUTHZ_PROVIDER_VERSION, &auth_imap_module, AP_AUTH_INTERNAL_PER_CONF);
 }
 
 /*******************************************************************************