dbghelp: Mark a fall-through in a switch statement

[Andrew Talbot]

Changelog:
    dbghelp: Mark a fall-through in a switch statement.

diff --git a/dlls/dbghelp/type.c b/dlls/dbghelp/type.c
index 42696f5..3fccb47 100644
--- a/dlls/dbghelp/type.c
+++ b/dlls/dbghelp/type.c
@@ -795,6 +795,7 @@ BOOL symt_get_info(struct module* module, const struct symt* type,
         default:
             FIXME("Unsupported sym-tag %s for get-type\n", 
                   symt_get_tag_str(type->tag));
+        /* fall through */
         case SymTagPublicSymbol:
         case SymTagThunk:
         case SymTagLabel: