DWARF reader: fix case statement fall-through warning

This change eliminates a compiler warning. There is no change in
behaviour as the following cases immediately break.

	src/abg-dwarf-reader.cc (die_pretty_print_type): Add a missing
	break statement at the end of the DW_TAG_string_type case.

Change-Id: If6e955ec87c9af2917c194978eee5fb9fdc0ea38
Signed-off-by: Giuliano Procida <gprocida@google.com>
1 file changed