[devhelp] (11 commits) ...DhSettings: fix mixed declarations and code

[Sébastien Wilmet <swilmet src gnome org>]

Summary of changes:

  dcba28a... App: fix warnings about variable shadowing a global declara (*)
  5fd0db4... AssistantView: all enum values in switch (*)
  7f9d3ec... Book: all enum values in switch (*)
  4b413b6... Book: change switch to if/else if (*)
  8140a69... KeywordModel: fix comparison between signed and unsigned in (*)
  395abea... KeywordModel: fix another comparison between signed and uns (*)
  b5d8661... Link: add missing default in switch (*)
  d94cf56... Window: fix compilation warning (*)
  e226802... Window: fix comparisons between signed and unsigned int (*)
  755ee77... Parser: fix bytes_read variable type
  fe5a9d0... DhSettings: fix mixed declarations and code

(*) This commit already existed in another branch; no separate mail sent