Fix for Mantis #26922.

pgenutil.pas, specialization_init:
  * don't push the localsymtable if the unit does not have one available

+ added test (needs manual execution though... :/ )

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29172 3ad0048d-3df7-0310-abae-a5850022a9f2
Fix for Mantis #26022.

globals.pas:
  * enable type helpers by default for mode Delphi and DelphiUnicode

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29173 3ad0048d-3df7-0310-abae-a5850022a9f2