delphi headers cleaning

git-svn-id: http://svn.miranda-ng.org/main/trunk@4260 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
fix for the field type - it must be signed

git-svn-id: http://svn.miranda-ng.org/main/trunk@4261 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c