* subversion/libsvn_subr/config_file.c
  (skip_to_eoln): Following up on r1544716, document an assumption and
    avoid reading after the buffer.

The out of bounds problem was
Found by: danielsh


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1544785 13f79535-47bb-0310-9956-ffa450edef68