Search: initialize lowMatches as empty array.

src/Composer/Command/SearchCommand.php

@@ -27,7 +27,7 @@ use Composer\Factory;
 class SearchCommand extends Command
 {
     protected $matches;
-    protected $lowMatches;
+    protected $lowMatches = array();
     protected $tokens;
     protected $output;
 
@@ -67,12 +67,10 @@ EOT
         $this->output = $output;
         $repos->filterPackages(array($this, 'processPackage'), 'Composer\Package\CompletePackage');
 
-        if (!empty($this->lowMatches)) {
         foreach ($this->lowMatches as $details) {
             $output->writeln($details['name'] . '<comment>:</comment> '. $details['description']);
         }
     }
-    }
 
     public function processPackage($package)
     {