Fix t/api/aplog.t for apr-1.5.2

git-svn-id: https://svn.apache.org/repos/asf/perl/modperl/trunk@1684703 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/t/response/TestAPI/aplog.pm b/t/response/TestAPI/aplog.pm
index 122c8a4..9cbef98 100644
--- a/t/response/TestAPI/aplog.pm
+++ b/t/response/TestAPI/aplog.pm
@@ -83,7 +83,7 @@
 
         # the APR_EGENERAL error string changed for APR 1.0
         my $egeneral = have_min_apache_version('2.1.0')
-           ? "Internal error"
+           ? qr/Internal error(?: \(specific information not available\))?/
            : "Error string not specified yet";
 
         t_server_log_warn_is_expected();