https://bugs.launchpad.net/gearmand/+bug/1318151
--- libgearman/client.cc.orig	2014-02-11 18:05:28.000000000 -0600
+++ libgearman/client.cc	2014-07-10 13:42:13.000000000 -0500
@@ -599,7 +599,7 @@
   {
     Client* client= client_shell->impl();
 
-    if (gearman_connection_create(client->universal, host, port) == false)
+    if (gearman_connection_create(client->universal, host, port) == NULL)
     {
       assert(client->error_code() != GEARMAN_SUCCESS);
       return client->error_code();
@@ -614,7 +614,7 @@
 
 gearman_return_t Client::add_server(const char *host, const char* service_)
 {
-  if (gearman_connection_create(universal, host, service_) == false)
+  if (gearman_connection_create(universal, host, service_) == NULL)
   {
     assert(error_code() != GEARMAN_SUCCESS);
     return error_code();
@@ -946,7 +946,7 @@
       *denominator= do_task->impl()->denominator;
     }
 
-    if (is_known == false and is_running == false)
+    if (! is_known and ! is_running)
     {
       if (do_task->impl()->options.is_running) 
       {