Removes \n or space when / are empty

Author: kirkmadera

src/Symfony/Bridge/Monolog/Formatter/ConsoleFormatter.php

@@ -117,12 +117,20 @@ public function format(array $record)
         $levelColor = self::$levelColorMap[$record['level']];
 
         if ($this->options['multiline']) {
-            $context = $extra = "\n";
+            $separator = "\n";
         } else {
-            $context = $extra = ' ';
+            $separator = ' ';
+        }
+
+        $context = $this->dumpData($record['context']);
+        if ($context) {
+            $context = $separator.$context;
+        }
+ 
+        $extra = $this->dumpData($record['extra']);
+        if ($extra) {
+            $extra = $separator.$extra;
         }
-        $context .= $this->dumpData($record['context']);
-        $extra .= $this->dumpData($record['extra']);
 
         $formatted = strtr($this->options['format'], array(
             '%datetime%' => $record['datetime']->format($this->options['date_format']),