[Tools] testbot: Fix Tasks to not use WineTestBot::Log.

[Francois Gouget]

The perl modules should return error messages to the callers and let
them deal with logging. So don't import WineTestBot::Log globally to
ensure any logging really is deliberate.

Signed-off-by: Francois Gouget <fgouget at codeweavers.com>
---
 testbot/lib/WineTestBot/Tasks.pm | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/testbot/lib/WineTestBot/Tasks.pm b/testbot/lib/WineTestBot/Tasks.pm
index b4298fb1..68438b68 100644
--- a/testbot/lib/WineTestBot/Tasks.pm
+++ b/testbot/lib/WineTestBot/Tasks.pm
@@ -40,7 +40,6 @@ use WineTestBot::Config;
 use WineTestBot::Jobs;
 use WineTestBot::Steps;
 use WineTestBot::WineTestBotObjects;
-use WineTestBot::Log;
 
 use vars qw(@ISA @EXPORT);
 
@@ -109,6 +108,7 @@ sub Run($$)
   }
   elsif (!$Pid)
   {
+    require WineTestBot::Log;
     # Capture Perl errors in the task's generic error log
     my ($JobId, $StepNo, $TaskNo) = @{$self->GetMasterKey()};
     my $TaskDir = "$DataDir/jobs/$JobId/$StepNo/$TaskNo";
@@ -124,12 +124,11 @@ sub Run($$)
     }
     else
     {
-      LogMsg "unable to redirect stderr to '$TaskDir/err': $!\n";
+      WineTestBot::Log::LogMsg("unable to redirect stderr to '$TaskDir/err': $!\n");
     }
     $ENV{PATH} = "/usr/bin:/bin";
     delete $ENV{ENV};
     exec("$BinDir/${ProjectName}$RunScript", "--log-only", $JobId, $StepNo, $TaskNo) or
-    require WineTestBot::Log;
     WineTestBot::Log::LogMsg("Unable to exec ${ProjectName}$RunScript: $!\n");
     exit(1);
   }
@@ -173,7 +172,8 @@ sub UpdateStatus($$)
       umask($OldUMask);
       # This probably indicates a bug in the task script.
       # Don't requeue the task to avoid an infinite loop.
-      LogMsg "Child process for task $JobId/$StepNo/$TaskNo died unexpectedly\n";
+      require WineTestBot::Log;
+      WineTestBot::Log::LogMsg("Child process for task $JobId/$StepNo/$TaskNo died unexpectedly\n");
       $self->Status("boterror");
       $Status = "boterror";
 
-- 
2.14.2