Let DictionaryUpdater get a little more memory, a=chris

diff --git a/src/executables/DictionaryUpdater.php b/src/executables/DictionaryUpdater.php
index 7048ad631..09fc90ca1 100644
--- a/src/executables/DictionaryUpdater.php
+++ b/src/executables/DictionaryUpdater.php
@@ -43,7 +43,7 @@ if (php_sapi_name() != 'cli' ||
 /**  For crawlHash, crawlHashWord function */
 require_once __DIR__."/../library/Utility.php";

-ini_set("memory_limit", C\QUEUE_SERVER_MEMORY_LIMIT);   /*reading in a whole
+ini_set("memory_limit", 1.5*C\QUEUE_SERVER_MEMORY_LIMIT);   /*reading in a whole
     shard might take a fair bit of memory
 */
 /*