fix warning stringop-truncation

Change-Id: I73d11ce3ca4904d307d3764f7c26f40f3de2a8f8

diff --git a/src/tbm_surface_internal.c b/src/tbm_surface_internal.c
index 51c05a7..50ae206 100644 (file)
--- a/src/tbm_surface_internal.c
+++ b/src/tbm_surface_internal.c
@@ -2185,7 +2185,7 @@ static char *_tbm_surface_internal_get_keys(tbm_surface_h surface)
                memset(temp_key, 0x00, KEY_LEN + 1);
                bo = surf->bos[i];
                snprintf(temp_key, KEY_LEN, "_%d", tbm_bo_export(bo));
-               strncat(keys, temp_key, KEY_LEN);
+               strncat(keys, temp_key, KEY_LEN + 1);
        }
 
        _tbm_surface_mutex_unlock();