[tools] testbot: Include the filename in LoadLogErrors() error messages.

[Francois Gouget]

Signed-off-by: Francois Gouget 
---
Otherwise there is no way to know which file was bad in case of errors, 
for instance in UpdateTaskLogs.
---
 testbot/lib/WineTestBot/LogUtils.pm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/testbot/lib/WineTestBot/LogUtils.pm b/testbot/lib/WineTestBot/LogUtils.pm
index 17cfc3525..2e3de83b8 100644
--- a/testbot/lib/WineTestBot/LogUtils.pm
+++ b/testbot/lib/WineTestBot/LogUtils.pm
@@ -1016,6 +1016,10 @@ sub LoadLogErrors($)
   if (open(my $ErrorsFile, "<", "$LogPath.errors"))
   {
     LoadLogErrorsFromFh($LogInfo, $ErrorsFile);
+    if ($LogInfo->{BadLog})
+    {
+      $LogInfo->{BadLog} = "$LogInfo->{LogName}.errors: $LogInfo->{BadLog}";
+    }
     delete $LogInfo->{CurGroup};
     close($ErrorsFile);
   }