pidgin/pidgin

Update the date in COPYRIGHT as it was a few years behind
release-2.x.y
2 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/
noinst_LTLIBRARIES=libpurple-ciphers.la
libpurple_ciphers_la_SOURCES=\
des.c \
gchecksum.c \
hmac.c \
md4.c \
md5.c \
rc4.c \
sha1.c \
sha256.c
AM_CPPFLAGS = \
-I$(top_srcdir)/libpurple \
$(GLIB_CFLAGS)