Suppress some false-positives reported by valgrind.
diff --git a/server/request.c b/server/request.c
index 4793cb4..f1580d2 100644
--- a/server/request.c
+++ b/server/request.c
@@ -750,6 +750,7 @@
             }
 
             /* signal parent */
+            dummy = 0;
             write( sync_pipe[1], &dummy, 1 );
             close( sync_pipe[1] );
             break;