pidgin/pidgin

Update the date in COPYRIGHT as it was a few years behind
release-2.x.y
3 months ago, Gary Kramlich
21a56db5f998
Update the date in COPYRIGHT as it was a few years behind

Testing Done:
None

Reviewed at https://reviews.imfreedom.org/r/3007/
EXTRA_DIST = \
Makefile.mingw \
README
pkgdir = $(libdir)/purple-$(PURPLE_MAJOR_VERSION)
NULLSOURCES = nullprpl.c
AM_CFLAGS = $(st)
libnull_la_LDFLAGS = -module -avoid-version
# nullprpl isn't built by default. when it is built, it's dynamically linked.
st =
pkg_LTLIBRARIES = libnull.la
libnull_la_SOURCES = $(NULLSOURCES)
libnull_la_LIBADD = $(GLIB_LIBS)
AM_CPPFLAGS = \
-I$(top_srcdir)/libpurple \
-I$(top_builddir)/libpurple \
$(GLIB_CFLAGS) \
$(DEBUG_CFLAGS)