Bug of pango-1.2.4

[James Su <suzhe turbolinux com cn>]

Hi,
The mprefixups.lo should be added into the indic-xft module. Here is the
error message of pango-querymodules:

[suzhe dev3-166 SPECS]$ pango-querymodules > /dev/null
Cannot load module /usr/lib/pango/1.2.0/modules/pango-indic-xft.so:
/usr/lib/pango/1.2.0/modules/pango-indic-xft.so: undefined symbol:
indic_mprefixups_free
/usr/lib/pango/1.2.0/modules/pango-indic-xft.so does not export Pango
module API