fix binlog generation

Author: YuliiaKovalova

build/build.ps1

@@ -349,11 +349,11 @@ function AddLogCmd([string] $logName, [string[]] $extraArgs)
 
   if ($ci -or $log) {
     Create-Directory $LogDir
-    $extraArgs = $extraArgs + ("/bl:" + (Join-Path $LogDir "$logName.binlog"))
+	$extraArgs = $extraArgs + "/bl:$LogDir\$logName.binlog"
 
     # When running under CI, also create a text log, so it can be viewed in the Jenkins UI
     if ($ci) {
-      $extraArgs = $extraArgs + ("/flp:Verbosity=diag;LogFile=" + '"' + (Join-Path $LogDir "$logName.log") + '"')
+      $extraArgs = $extraArgs + "/flp:Verbosity=diag;LogFile=`"$LogDir\$logName.log`""
     }
   }