Fix definitions for pipeline replacements macros

The previous definition caused a warning for implicit conversion from
void* to int.

diff --git a/psycopg_c/psycopg_c/pq/libpq.pxd b/psycopg_c/psycopg_c/pq/libpq.pxd
index e59552270ec55e668e5a724a7a9f58a9821ed2e7..b66ca8cd2f9658966de9f719463f23256c85ae8c 100644 (file)
--- a/psycopg_c/psycopg_c/pq/libpq.pxd
+++ b/psycopg_c/psycopg_c/pq/libpq.pxd
@@ -311,10 +311,10 @@ typedef enum {
     PQ_PIPELINE_ON,
     PQ_PIPELINE_ABORTED
 } PGpipelineStatus;
-#define PQpipelineStatus(conn) NULL
-#define PQenterPipelineMode(conn) NULL
-#define PQexitPipelineMode(conn) NULL
-#define PQpipelineSync(conn) NULL
-#define PQsendFlushRequest(conn) NULL
+#define PQpipelineStatus(conn) PQ_PIPELINE_OFF
+#define PQenterPipelineMode(conn) 0
+#define PQexitPipelineMode(conn) 1
+#define PQpipelineSync(conn) 0
+#define PQsendFlushRequest(conn) 0
 #endif
 """