shithub: lu9-p9

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common: avoid polluting the stack

--- a/base/common.c

+++ b/base/common.c

@@ -82,5 +82,6 @@

 	lua_getfield(L, LUA_REGISTRYINDEX, "p9-buffer");

 	buf = lua_touserdata(L, -1);

+	lua_pop(L, 1);

 	return resizebuffer(L, buf, sz)->b;

 }