editors/openoffice*: unbreak consumers with hunspell 1.5

main/lingucomponent/source/spellcheck/spell/sspellimp.cxx:39:10: fatal error: 'dictmgr.hxx' file not found
#include <dictmgr.hxx>

^

PR: 214844
Obtained from: upstream
Approved by: portmgr blanket