Only Call PQfinish if conn isn't NULL (bug #2162)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3528 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/cdr/cdr_pgsql.c b/cdr/cdr_pgsql.c
index 15a5f0e..ccec5f9 100755 (executable)
--- a/cdr/cdr_pgsql.c
+++ b/cdr/cdr_pgsql.c
@@ -142,7 +142,9 @@ char *description(void)
 
 static int my_unload_module(void)
 { 
-       PQfinish(conn);
+       if (conn)
+               PQfinish(conn);
+       conn = NULL;
        connected = 0;
        if (pghostname && hostname_alloc) {
                free(pghostname);