Missing sentinel argument in strcat

diff --git a/apache/mod_shib.cpp b/apache/mod_shib.cpp
index 422673c..cd022dd 100644 (file)
--- a/apache/mod_shib.cpp
+++ b/apache/mod_shib.cpp
@@ -1744,7 +1744,7 @@ extern "C" const char* shib_set_acl_slot(cmd_parms* params, shib_dir_config* dc,
     if (absolute || !params->path)
         dc->szAccessControl = ap_pstrdup(params->pool, arg);
     else
-        dc->szAccessControl = ap_pstrcat(params->pool, params->path, arg);
+        dc->szAccessControl = ap_pstrcat(params->pool, params->path, arg, nullptr);
     return nullptr;
 }
 #endif