diff -ruNp licq-1.8.2-orig/plugins/msn/src/msn.h licq-1.8.2/plugins/msn/src/msn.h
--- licq-1.8.2-orig/plugins/msn/src/msn.h	2014-06-01 14:16:42.000000000 -0500
+++ licq-1.8.2/plugins/msn/src/msn.h	2014-06-11 21:51:35.000000000 -0500
@@ -25,6 +25,7 @@
 #include <list>
 #include <string>
 #include <vector>
+#include <pthread.h>
 
 #include <licq/mainloop.h>
 #include <licq/userid.h>