#1 Fix compilation issu (c++) and add support for pkgconfig

[Cedric Pinson]

this patch is to apply on the version 0.4. If something is wrong i can modify it
To apply it:
cd libcwiimote-0.4
patch -p1 <~/dev/libcwiimote/add_c++support_add_libcwiimote.pc_.patch

[Cedric Pinson]

patch for version 0.4