$NetBSD$

Add librt to link line for shm_open().

--- src/CMakeLists.txt.orig	2016-08-25 12:14:57.000000000 +0000
+++ src/CMakeLists.txt
@@ -141,6 +141,9 @@ TARGET_LINK_LIBRARIES(rspamd-server rspa
 TARGET_LINK_LIBRARIES(rspamd-server rspamd-lpeg)
 TARGET_LINK_LIBRARIES(rspamd-server lcbtrie)
 
+# for shm_open
+TARGET_LINK_LIBRARIES(rspamd-server rt)
+
 IF (ENABLE_CLANG_PLUGIN MATCHES "ON")
 	ADD_DEPENDENCIES(rspamd-server rspamd-clang)
 ENDIF()
