typemap stuff intervenes before declaration, move it to PREINIT
section
(an empty integrate, but now the files are in sync
between the branches)
p4raw-link: @12703 on //depot/maint-5.6/perl:
88cc773e1e8562e40e686f6b5e5dac09c8147ef9
p4raw-id: //depot/perl@12705
p4raw-integrated: from //depot/maint-5.6/perl@12704 'ignore'
ext/ODBM_File/ODBM_File.xs (@12668..)