Update date_input.php

Corrected this from 1 to 2.  'All' is counted in the array which means that if there is only one stock location, this dropdown will still appear.  Setting this to 2 means that the dropdown only shows when there is more than 1 stock location.

application/views/reports/date_input.php

@@ -70,7 +70,7 @@ if(isset($error))
 	?>
 
 	<?php	
-	if (!empty($stock_locations) && count($stock_locations) > 1)
+	if (!empty($stock_locations) && count($stock_locations) > 2)
 	{
 	?>
 		<div class="form-group form-group-sm">