Fixed one incorrect default value for config parameter 'self_hostname' in forward input plugin doc. Fixes #2256.#2257

eschabell merged 1 commit intofluent:masterfluent/fluent-bit-docs:masterfrom

eschabell:erics_in_forward_updateseschabell/fluent-bit-docs-fork:erics_in_forward_updatesCopy head branch name to clipboard