Add missing space in error message

lib/validation.php

@@ -163,7 +163,7 @@ function validSID($SID, $override)
             $error = "A user with that student ID already exists, email <a href=\"mailto:admin@sucs.org\">admin@sucs.org</a> if this is an error.";
             return false;
         } elseif (lookupSID($SID) == " ") {
-            $error = "Student not found, email<a href=\"mailto:admin@sucs.org\">admin@sucs.org</a> if this is an error.";
+            $error = "Student not found, email <a href=\"mailto:admin@sucs.org\">admin@sucs.org</a> if this is an error.";
             return false;
         } else {
             return true;