Properly fetching log content

master.cfg

@@ -113,7 +113,10 @@ send to the gdb-testers mailing list."""
     for ss in ss_list:
         text.append ("\t%s\n" % ss.revision)
     text.append ("\n")
-    text.append (build.getLog ('regressions').getText ())
+    for log in build.getLogs ():
+        if log.getName () == 'regressions' and log.hasContents ():
+            text.append (log.getText ())
+            break
     return { 'body' : text,
              'type' : 'plain',
              'subject' : subj }