sb: Set the to email address to build@rtems.org.

- Fix a minor bug in the to addr processing.

Update #3210

source-builder/defaults.mc

@@ -366,7 +366,7 @@ __xz:                exe,     required, '/usr/bin/xz'
 
 # Mail Support
 _mail_smtp_host:   none,         none, 'localhost'
-_mail_tools_to:    none,         none, 'rtems-tooltestresults@rtems.org'
+_mail_tools_to:    none,         none, 'build@rtems.org'
 
 # Newlib ICONV encodings
 _newlib_iconv_encodings: none,      none, '''big5,cp775,cp850,cp852,cp855,\

source-builder/sb/setbuilder.py

@@ -527,8 +527,9 @@ def run():
             if to_addr is not None:
                 mail['to'] = to_addr[1]
             else:
-                mail['to'] = pts.defaults.expand('%{_mail_tools_to}')
+                mail['to'] = opts.defaults.expand('%{_mail_tools_to}')
             mail['from'] = mail['mail'].from_address()
+            print(mail)
         log.notice('RTEMS Source Builder - Set Builder, %s' % (version.str()))
         opts.log_info()
         if not check.host_setup(opts):