iter: initialize docbuf to NULL.
iter: initialize docbuf to NULL.

mapr/libbson,remicollet/libbson,mongodb/libbson,hanumantmk/libbson,Convey-Compliance/libbson,remicollet/libbson,hanumantmk/libbson,jqk6/libbson,paulmelnikow/libbson,ksuarz/libbson,jqk6/libbson,ksuarz/libbson,mongodbinc-interns/libbson,bjori/libbson,paulmelnikow/libbson,derickr/libbson,Machyne/libbson,derickr/libbson,alexeyvo/libbson,mongodbinc-interns/libbson,4Second2None/libbson_tmp,mongodbinc-interns/libbson,hanumantmk/libbson,rayyang2000/libbson,mongodb/libbson,jqk6/libbson,ajdavis/libbson,jqk6/libbson,rayyang2000/libbson,4Second2None/libbson_tmp,remicollet/libbson,rayyang2000/libbson,Machyne/libbson,rayyang2000/libbson,mapr/libbson,ksuarz/libbson,bjori/libbson,mongodb/libbson,hanumantmk/libbson,ajdavis/libbson,4Second2None/libbson_tmp,mapr/libbson,paulmelnikow/libbson,rcsanchez97/libbson,alexeyvo/libbson,ajdavis/libbson,derickr/libbson,bjori/libbson,rcsanchez97/libbson,Convey-Compliance/libbson,paulmelnikow/libbson,Convey-Compliance/libbson,4Second2None/libbson_tmp,alexeyvo/libbson,remicollet/libbson,Machyne/libbson,Machyne/libbson,derickr/libbson,rcsanchez97/libbson,mongodbinc-interns/libbson,paulmelnikow/libbson