Pango warnings (gnucash svn 1378 and previous)

[Nikos Charonitakis]

(gnucash:17290): Pango-WARNING **: Invalid UTF-8 string passed to
pango_layout_set_text()

i see this message several time while i m using gnucash (svn 1378)

i use gnucash in Greek
LANG=el_GR.UFF-8