more shebang fixes for tests

t/plugin_tests/auth/auth_flat_file

@@ -1,4 +1,4 @@
-# -*-perl-*- [emacs]
+#!perl -w
 
 sub register_tests {
     my $self = shift;

t/plugin_tests/auth/auth_vpopmail

@@ -1,4 +1,4 @@
-# -*-perl-*- [emacs]
+#!perl -w
 
 sub register_tests {
     my $self = shift;

t/plugin_tests/auth/auth_vpopmail_sql

@@ -1,4 +1,4 @@
-# -*-perl-*- [emacs]
+#!perl -w
 
 sub register_tests {
     my $self = shift;

t/plugin_tests/auth/auth_vpopmaild

@@ -1,4 +1,4 @@
-# -*-perl-*- [emacs]
+#!perl -w
 
 warn "loaded test auth_vpopmaild\n";
 

t/plugin_tests/auth/authdeny

@@ -1,4 +1,4 @@
-# -*-perl-*- [emacs]
+#!perl -w
 
 sub register_tests {
     my $self = shift;

t/plugin_tests/auth/authnull

@@ -1,4 +1,4 @@
-# -*-perl-*- [emacs]
+#!perl -w
 
 sub register_tests {
     my $self = shift;