[PBCKP-245] don't include libpq-int.h

There's really no need to. But doing it pulls bad dependency.

Author: funny-falcon

src/backup.c

@@ -2179,6 +2179,7 @@ check_external_for_tablespaces(parray *external_list, PGconn *backup_conn)
 	PGresult   *res;
 	int			i = 0;
 	int			j = 0;
+	int 		ntups;
 	char	   *tablespace_path = NULL;
 	char	   *query = "SELECT pg_catalog.pg_tablespace_location(oid) "
 						"FROM pg_catalog.pg_tablespace "
@@ -2190,7 +2191,8 @@ check_external_for_tablespaces(parray *external_list, PGconn *backup_conn)
 	if (!res)
 		elog(ERROR, "Failed to get list of tablespaces");
 
-	for (i = 0; i < res->ntups; i++)
+	ntups = PQntuples(res);
+	for (i = 0; i < ntups; i++)
 	{
 		tablespace_path = PQgetvalue(res, i, 0);
 		Assert (strlen(tablespace_path) > 0);

src/catchup.c

@@ -230,6 +230,7 @@ catchup_check_tablespaces_existance_in_tbsmapping(PGconn *conn)
 {
 	PGresult	*res;
 	int		i;
+	int 	ntups;
 	char		*tablespace_path = NULL;
 	const char	*linked_path = NULL;
 	char		*query = "SELECT pg_catalog.pg_tablespace_location(oid) "
@@ -241,7 +242,8 @@ catchup_check_tablespaces_existance_in_tbsmapping(PGconn *conn)
 	if (!res)
 		elog(ERROR, "Failed to get list of tablespaces");
 
-	for (i = 0; i < res->ntups; i++)
+	ntups = PQntuples(res);
+	for (i = 0; i < ntups; i++)
 	{
 		tablespace_path = PQgetvalue(res, i, 0);
 		Assert (strlen(tablespace_path) > 0);

src/pg_probackup.h

@@ -14,7 +14,6 @@
 
 #include "postgres_fe.h"
 #include "libpq-fe.h"
-#include "libpq-int.h"
 
 #include "access/xlog_internal.h"
 #include "utils/pg_crc.h"

src/utils/file.c

@@ -4,6 +4,7 @@
 #include "pg_probackup.h"
 /* sys/stat.h must be included after pg_probackup.h (see problems with compilation for windows described in PGPRO-5750) */
 #include <sys/stat.h>
+#include <signal.h>
 
 #include "file.h"
 #include "storage/checksum.h"