Refactor: fencer: Assume build_port_aliases():targets is non-NULL

This is a static function with only one caller, and that caller always
passes the address of a struct member.

Signed-off-by: Reid Wahl <[email protected]>

Author: nrwahl2

daemons/fenced/fenced_commands.c

@@ -954,9 +954,7 @@ build_port_aliases(const char *hostmap, GList ** targets)
 
                     crm_debug("Adding alias '%s'='%s'", name, value);
                     g_hash_table_replace(aliases, name, value);
-                    if (targets) {
-                        *targets = g_list_append(*targets, pcmk__str_copy(value));
-                    }
+                    *targets = g_list_append(*targets, pcmk__str_copy(value));
                     value = NULL;
                     name = NULL;
                     added++;