dbghelp: Return proper size for local & parameters in SYMBOL_INFO.

dlls/dbghelp/dbghelp_private.h

@@ -142,7 +142,7 @@ struct symt_data
         unsigned long           address;        /* DataIs{Global, FileStatic} */
         struct
         {
-            long                        offset; /* DataIs{Member,Local,Param} in bits*/
+            long                        offset; /* DataIs{Member,Local,Param} in bits */
             unsigned long               length; /* DataIs{Member} in bits */
             unsigned long               reg_id; /* DataIs{Local} (0 if frame relative) */
         } s;

dlls/dbghelp/symbol.c

@@ -448,7 +448,10 @@ static void symt_fill_sym_info(const struct module* module,
     if (!symt_get_info(sym, TI_GET_TYPE, &sym_info->TypeIndex))
         sym_info->TypeIndex = 0;
     sym_info->info = (DWORD)sym;
-    symt_get_info(sym, TI_GET_LENGTH, &size);
+    if (!symt_get_info(sym, TI_GET_LENGTH, &size) &&
+        sym_info->TypeIndex &&
+        !symt_get_info((struct symt*)sym_info->TypeIndex, TI_GET_LENGTH, &size))
+        size = 0;
     sym_info->Size = (DWORD)size;
     sym_info->ModBase = module->module.BaseOfImage;
     sym_info->Flags = 0;