pidgin/pidgin

Remove -Wno-sign-compare and backport fixes from default.
release-2.x.y
2014-11-13, Elliott Sales de Andrade
a437550a9308
Remove -Wno-sign-compare and backport fixes from default.
installed_m4=purple.m4
EXTRA_DIST=$(installed_m4)
m4datadir=$(datadir)/aclocal
m4data_DATA=$(installed_m4)