Merge pull request browserstack#8 from browserstack/quotes

quotes

Author: tr4n2uil

lib/Local.php

@@ -89,7 +89,11 @@ public function start($arguments) {
     );
 
     $call = $this->command();
-    system('echo "" > '. $this->logfile);
+    if(strtoupper(substr(PHP_OS, 0, 3)) === 'WIN')
+      system('echo "" > '. '$this->logfile');
+    else
+      system("echo \"\" > '$this->logfile' ");
+
     $this->handle = proc_open($call, $descriptorspec, $this->pipes);
     $status = proc_get_status($this->handle);
     $this->pid = $status['pid'];
@@ -146,7 +150,7 @@ public function command() {
       $exec = "call";
 
     $user_args = join(' ', $this->user_args);
-    $command = "$exec $this->binary_path -logFile $this->logfile $this->folder_flag $this->key $this->folder_path $this->force_local_flag $this->local_identifier_flag $this->only_flag $this->only_automate_flag $this->proxy_host $this->proxy_port $this->proxy_user $this->proxy_pass $this->force_proxy_flag $this->force_flag $this->verbose_flag $this->hosts $user_args";
+    $command = "$exec $this->binary_path -logFile '$this->logfile' $this->folder_flag $this->key $this->folder_path $this->force_local_flag $this->local_identifier_flag $this->only_flag $this->only_automate_flag $this->proxy_host $this->proxy_port $this->proxy_user $this->proxy_pass $this->force_proxy_flag $this->force_flag $this->verbose_flag $this->hosts $user_args";
     $command = preg_replace('/\s+/S', " ", $command);
     return $command;
   }