dwarf_print_lines.c,dwarf_macro.c: Remove trailing whitespace.
dwarf_ranges.c, dwarf_sort_lines.c: Remove trailing whitespace.
dwarf_query.c, dwarf_pubtypes.c: Remove trailing whitespace.
dwarf_original_elf_init.c,dwarf_loc.c: Remove trailing whitespace.
gennames.c: Fix a printf so the generated dwarf_names.c
does not have a trailing space.
* dwarf_arange.c,dwarf_elf_access.c, dwarf_frame3.c,
dwarf_funcs.c,dwarf_global.c,dwarf_init_finish.c,
dwarf_line.c,dwarf_loc.c,dwarf_macro.c,dwarf_print_lines.c,
dwarf_pubtypes.c,dwarf_query.c,dwarf_ranges.c,dwarf_string.c,
dwarf_types.c,dwarf_vars.c, dwarf_weaks.c: Everything loading
a section now checks the result for 'empty' and returns
DW_DLV_NO_ENTRY explicitly. This makes it easier to
do nothing safely when there is no data.
