Fix build against libpthread

* Makefile.am (filter_LDADD): Use -lpthread instead of -lthreads.
* filter.h: Include <pthread.h> instead of <cthreads.h>
* filter.c: Use pthread functions instead of cthreads functions.
* node.h: Likewise.
* node.c: Likewise.

1 files changed, 1 insertions, 1 deletions

diff --git a/node.h b/node.h
index f8e1f3c99..704a8badf 100644
--- a/node.h
+++ b/node.h
@@ -72,7 +72,7 @@ typedef struct node node_t;
 /*---------------------------------------------------------------------------*/
 /*--------Global Variables---------------------------------------------------*/
 /*The lock protecting the underlying filesystem*/
-extern struct mutex ulfs_lock;
+extern pthread_mutex_t ulfs_lock;
 /*---------------------------------------------------------------------------*/
 
 /*---------------------------------------------------------------------------*/