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-rw-r--r--include/asterisk/pbx.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asterisk/pbx.h b/include/asterisk/pbx.h
index c1a831838..0c94ea323 100644
--- a/include/asterisk/pbx.h
+++ b/include/asterisk/pbx.h
@@ -793,7 +793,7 @@ struct ast_ignorepat *ast_walk_context_ignorepats(struct ast_context *con,
struct ast_ignorepat *ip);
struct ast_sw *ast_walk_context_switches(struct ast_context *con, struct ast_sw *sw);
-int pbx_builtin_serialize_variables(struct ast_channel *chan, char *buf, size_t size);
+int pbx_builtin_serialize_variables(struct ast_channel *chan, struct ast_str **buf);
const char *pbx_builtin_getvar_helper(struct ast_channel *chan, const char *name);
void pbx_builtin_pushvar_helper(struct ast_channel *chan, const char *name, const char *value);
void pbx_builtin_setvar_helper(struct ast_channel *chan, const char *name, const char *value);