examples: Move $(WARN_CFLAGS) to $(AM_CFLAGS)
examples: Move $(WARN_CFLAGS) to $(AM_CFLAGS)

$(AM_CPPFLAGS) is for passing options to the C preprocessor,
not the C compiler, and the stuff in $(WARN_CFLAGS) belongs
to the latter category.

Signed-off-by: Andrea Bolognani <3ada0bee826c753786fdbba72243dfba997094cf@redhat.com>
Acked-by: Michal Privoznik <83d82aaba2eed257f4814b0c239c260c4caaadf0@redhat.com>

jfehlig/libvirt,fabianfreyer/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,jardasgit/libvirt,zippy2/libvirt,jardasgit/libvirt,zippy2/libvirt,eskultety/libvirt,crobinso/libvirt,olafhering/libvirt,jardasgit/libvirt,zippy2/libvirt,nertpinx/libvirt,andreabolognani/libvirt,nertpinx/libvirt,crobinso/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,andreabolognani/libvirt,zippy2/libvirt,olafhering/libvirt,nertpinx/libvirt,libvirt/libvirt,jardasgit/libvirt,nertpinx/libvirt,andreabolognani/libvirt,jfehlig/libvirt,jfehlig/libvirt,crobinso/libvirt,olafhering/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,andreabolognani/libvirt,libvirt/libvirt,olafhering/libvirt,libvirt/libvirt,eskultety/libvirt,jfehlig/libvirt,eskultety/libvirt,fabianfreyer/libvirt,libvirt/libvirt,crobinso/libvirt,eskultety/libvirt,eskultety/libvirt