[geany/geany] 048e6a: Fix an assertion logic

[Colomban Wendling]

  Branch: refs/heads/master
  Home:   https://github.com/geany/geany

  Commit: 048e6a6c3c3309e7ee1660cdec144771eb98bdfd
      https://github.com/geany/geany/commit/048e6a6c3c3309e7ee1660cdec144771eb98bdfd
  Author: Colomban Wendling <ban at herbesfolles.org>
  Date:   2011-11-15 (Tue, 15 Nov 2011)

  Changed paths:
    M src/document.c

  Log Message:
  -----------
  Fix an assertion logic