[mail-web] Fix broken URL for bug reporting

[Tom Tryfonidis <tomtryf src gnome org>]

commit f78a623aa9300aa0372f9425f17c8d985a9587f0
Author: Tom Tryfonidis <tomtryf gnome org>
Date:   Mon Aug 7 10:38:08 2017 +0300

    Fix broken URL for bug reporting

 index.html |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/index.html b/index.html
index 7d0c4a0..6e9adfe 100644
--- a/index.html
+++ b/index.html
@@ -120,7 +120,7 @@
                     
                     <h2>Who should I contact if I have a problem with any of the mailing lists?</h2>
                     <p>For administrative questions regarding mailing lists open a bug request by clicking 
<a href=
-                    
"https://bugzilla.gnome.org/enter_bug.cgiamp;product=sysadmin&amp;component=Mailman";>here</a>.
+                    "https://bugzilla.gnome.org/enter_bug.cgi?product=sysadmin&component=Mailman";>here</a>.
                     Note: do not open a new bug report unless you understand what 'regarding mailing lists' 
means.
                     Other GNOME mailing list information can be found on our <a 
href="https://wiki.gnome.org/Sysadmin/MailingLists";>Mailing Lists wiki page</a>.</p>
                 </div>