[tools] testbot: Tweak the error groups iteration.

[Francois Gouget]

Signed-off-by: Francois Gouget 
---
 testbot/bin/WineSendLog.pl          | 2 +-
 testbot/lib/WineTestBot/LogUtils.pm | 2 +-
 testbot/web/JobDetails.pl           | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/testbot/bin/WineSendLog.pl b/testbot/bin/WineSendLog.pl
index 954edaebd..37949e45f 100755
--- a/testbot/bin/WineSendLog.pl
+++ b/testbot/bin/WineSendLog.pl
@@ -350,7 +350,7 @@ EOF
         next if (!$Group->{NewCount});

push @Messages, ($GroupName ? "\n$GroupName:\n" : "\n");
-        foreach my $ErrIndex (0..@{$Group->{Errors}} - 1)
+        foreach my $ErrIndex (0..$#{$Group->{Errors}})
         {
           if ($Group->{IsNew}->[$ErrIndex])
           {
diff --git a/testbot/lib/WineTestBot/LogUtils.pm b/testbot/lib/WineTestBot/LogUtils.pm
index 0b2edf735..17cfc3525 100644
--- a/testbot/lib/WineTestBot/LogUtils.pm
+++ b/testbot/lib/WineTestBot/LogUtils.pm
@@ -1052,7 +1052,7 @@ sub _WriteLogErrorsToFh($$)
   {
     my $Group = $LogInfo->{ErrGroups}->{$GroupName};
     print $Fh "g $Group->{LineNo} $GroupName\n";
-    foreach my $Index (0..@{$Group->{Errors}} - 1)
+    foreach my $Index (0..$#{$Group->{Errors}})
     {
       my $IsNew = $Group->{IsNew}->[$Index] ? "n" : "o";
       print $Fh "$IsNew $Group->{LineNos}->[$Index] $Group->{Errors}->[$Index]\n";
diff --git a/testbot/web/JobDetails.pl b/testbot/web/JobDetails.pl
index 33a952553..c04266330 100644
--- a/testbot/web/JobDetails.pl
+++ b/testbot/web/JobDetails.pl
@@ -513,7 +513,7 @@ sub GenerateFullLog($$$$)
     next if ($Group->{LineNo});

print "<div class='LogDllName'>$GroupName</div>\n";
-    for my $ErrIndex (0..@{$Group->{Errors}} - 1)
+    for my $ErrIndex (0..$#{$Group->{Errors}})
     {
       if ($IsEmpty)
       {