put localversions file in SRCDIR, not OBJDIR

The kernel Makefile look for localversion in the source tree,
not the object tree.  The absense from the source tree results
in a patch module that will not load because the kernel versions
don't match.

Signed-off-by: Seth Jennings <sjenning@redhat.com>
Merge pull request #39 from spartacus06/localversionfix

put localversions file in SRCDIR, not OBJDIR