pidgin/pidgin

Fix sizeof calls.
release-2.x.y
2014-03-01, Mark Doliner
38653c63a0d2
Fix sizeof calls.

Sorry, forgot that sizeof(pointer to stack buffer) doesn't do what
I want.
installed_m4=purple.m4
EXTRA_DIST=$(installed_m4)
m4datadir=$(datadir)/aclocal
m4data_DATA=$(installed_m4)