stat-client: pass names as const strings

Change-Id: I8debcd078b733ed19c4b46ea41a2a150d816724c
Signed-off-by: Neale Ranns <nranns@cisco.com>
diff --git a/src/vpp-api/client/stat_client.c b/src/vpp-api/client/stat_client.c
index 538820a..bd9d8cc 100644
--- a/src/vpp-api/client/stat_client.c
+++ b/src/vpp-api/client/stat_client.c
@@ -105,7 +105,7 @@
 }
 
 int
-stat_segment_connect_r (char *socket_name, stat_client_main_t * sm)
+stat_segment_connect_r (const char *socket_name, stat_client_main_t * sm)
 {
   int mfd = -1;
   int sock;
@@ -160,7 +160,7 @@
 }
 
 int
-stat_segment_connect (char *socket_name)
+stat_segment_connect (const char *socket_name)
 {
   stat_client_main_t *sm = &stat_client_main;
   return stat_segment_connect_r (socket_name, sm);
diff --git a/src/vpp-api/client/stat_client.h b/src/vpp-api/client/stat_client.h
index 31fd82b..52aaa24 100644
--- a/src/vpp-api/client/stat_client.h
+++ b/src/vpp-api/client/stat_client.h
@@ -50,8 +50,8 @@
 
 stat_client_main_t *stat_client_get (void);
 void stat_client_free (stat_client_main_t * sm);
-int stat_segment_connect_r (char *socket_name, stat_client_main_t * sm);
-int stat_segment_connect (char *socket_name);
+int stat_segment_connect_r (const char *socket_name, stat_client_main_t * sm);
+int stat_segment_connect (const char *socket_name);
 void stat_segment_disconnect_r (stat_client_main_t * sm);
 void stat_segment_disconnect (void);
 uint8_t **stat_segment_string_vector (uint8_t ** string_vector, char *string);