Merge branch 'evbuffer_add_file-2.0-fixes' into patches-2.0 Bunch of fixes for evbuffer_add_file(). * evbuffer_add_file-2.0-fixes: Cover evbuffer_add_file() with offset evbuffer_add_file: do not use evbuffer_remove(), instead calc offset for mmap() evbuffer_add_file: munmap() correct size on mmap() failure evbuffer_add_file: fix endless loop when file does not have such amount of data Fixes: #306