pidgin/pidgin

Fix a number of issues with the windows build
release-2.x.y
2021-04-05, Gary Kramlich
0611c060a02c
Fix a number of issues with the windows build

* Standardize on wprintf in pidgin/win32/winpidgin.c
* Use the inetc nsis plugin that supports https
* If building under msys2 copy libgcc_s_dw2-1.dll and libwinpthread to the
install directory.

Testing Done:
Ran successfully from the

* install directory
* online installer
* offline installer
* portable zip file

Reviewed at https://reviews.imfreedom.org/r/593/
prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
includedir=@includedir@
datarootdir=@datarootdir@
datadir=@datadir@
sysconfdir=@sysconfdir@
Name: Pidgin (Gaim compatibility)
Description: Pidgin is a GTK2-based instant messenger application.
Version: @VERSION@
Requires: glib-2.0
Cflags: -I${pc_top_builddir}/${pcfiledir}/libpurple -I${pc_top_builddir}/${pcfiledir}/pidgin
Libs: ${pc_top_builddir}/${pcfiledir}/libpurple/libpurple.la