Fix broken reading of SSH public keys from a file #2919
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Loading of SSH public keys from a file via
libssh2.read_publickey()fails because the routine does not preserve balanced Lua stack across operations performed on a luaL_Buffer object. Moving the code around rectifies the issue.A minuscule optimization added by replacing
lua_pushstringwithlua_pushliteral.The PR will be committed after September 6, 2024, unless concerns are raised.