[geany/geany] c73ee4: Fix a few things, most of them reported by clang's...

[Colomban Wendling]

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

  Commit: c73ee497588296122d579bdbf789a547eb4177ae
      https://github.com/geany/geany/commit/c73ee497588296122d579bdbf789a547eb4177ae
  Author: Colomban Wendling <ban at herbesfolles.org>
  Date:   2011-11-15 (Tue, 15 Nov 2011)

  Changed paths:
    M src/editor.c
  M src/prefs.c
  M src/symbols.c

  Log Message:
  -----------
  Fix a few things, most of them reported by clang's static analyzer