libexport.a: Reduce code duplication in client_init()

From: Chuck Lever <chuck.lever@oracle.com>

Clean up:  Most cases in client_init() set clp->m_naddr to zero.  Move
it to the common part of the function, and simplify the logic.  This
will make adding IPv6 support here more straightforward.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
---
 support/export/client.c |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

--- nfs-utils-1.2.1.orig/support/export/client.c
+++ nfs-utils-1.2.1/support/export/client.c
@@ -137,6 +137,7 @@ client_init(nfs_client *clp, const char
 
 	clp->m_exported = 0;
 	clp->m_count = 0;
+	clp->m_naddr = 0;
 
 	if (clp->m_type == MCL_SUBNETWORK) {
 		char	*cp = strchr(clp->m_hostname, '/');
@@ -160,10 +161,10 @@ client_init(nfs_client *clp, const char
 			}
 		}
 		*cp = '/';
-		clp->m_naddr = 0;
-	} else if (!hp) {
-		clp->m_naddr = 0;
-	} else {
+		return;
+	}
+
+	if (hp) {
 		char	**ap = hp->h_addr_list;
 		int	i;