review: remove trailing white spaces

.gitignore

tests/semcheck/Makefile.inc

tests/semcheck/cname_extra_01.zone

tests/semcheck/cname_extra_02.signed

tests/semcheck/cname_multiple.zone

tests/semcheck/different_signer_name.signed

tests/semcheck/dname_children.zone

tests/semcheck/missing_glue_03.zone

tests/semcheck/no_rrsig.signed

tests/semcheck/nsec3_chain_02.signed

tests/semcheck/nsec3_chain_03.signed

tests/semcheck/nsec3_wrong_bitmap_01.signed

tests/semcheck/nsec3_wrong_bitmap_02.signed

tests/semcheck/nsec_broken_chain_01.signed

tests/semcheck/nsec_broken_chain_02.signed

tests/semcheck/nsec_missing.signed

tests/semcheck/nsec_multiple.signed

tests/semcheck/nsec_wrong_bitmap_01.signed

tests/semcheck/nsec_wrong_bitmap_02.signed

tests/semcheck/rrsig_rdata_ttl.signed