Fixed line break styling in tooltips.

src/Record/Http_Record_Collector.php

@@ -78,6 +78,6 @@ class Http_Record_Collector extends Stopwatch_Record_Collector {
 
 		$backtrace = $this->formatter->format( $this->callers[ $name ] );
 
-		return new Stopwatch_Record( $name, $event, implode( ' → ', $backtrace ) );
+		return new Stopwatch_Record( $name, $event, implode( '<br />', $backtrace ) );
 	}
 }

src/Record/Sql_Record_Collector.php

@@ -100,7 +100,7 @@ class Sql_Record_Collector implements Record_Collector_Interface {
 
 		$desc_duration = round( $duration * 1000 );
 		$backtrace     = $this->formatter->format( $caller );
-		$description   = $sql . ' – ' . $desc_duration . 'ms<hr />' . implode( ' → ', $backtrace );
+		$description   = $sql . ' – ' . $desc_duration . 'ms<hr />' . implode( '<br />', $backtrace );
 
 		return new Record( $sql, $query_start, $duration, $description, $category );
 	}