Fix Vertex entity index4 parsing

Author: michal-josef-spacek

include/dwg.h

@@ -9227,8 +9227,8 @@ enum {
   OPTS_R11_VERTEX_HAS_INDEX1 = 0x20,
   OPTS_R11_VERTEX_HAS_INDEX2 = 0x40,
   OPTS_R11_VERTEX_HAS_INDEX3 = 0x80,
-  OPTS_R11_VERTEX_UNKNOWN_256 = 0x100,
-  OPTS_R11_VERTEX_HAS_INDEX4 = 0x200,
+  OPTS_R11_VERTEX_HAS_INDEX4 = 0x100,
+  OPTS_R11_VERTEX_UNKNOWN_512 = 0x200,
   OPTS_R11_VERTEX_UNKNOWN_1024 = 0x400,
   OPTS_R11_VERTEX_UNKNOWN_2048 = 0x800,
   OPTS_R11_VERTEX_UNKNOWN_4096 = 0x1000,

src/common_entity_data.spec

@@ -207,8 +207,8 @@
               LOG_OPTS_R11 (VERTEX, HAS_INDEX1);
               LOG_OPTS_R11 (VERTEX, HAS_INDEX2);
               LOG_OPTS_R11 (VERTEX, HAS_INDEX3);
-              LOG_OPTS_R11 (VERTEX, UNKNOWN_256);
               LOG_OPTS_R11 (VERTEX, HAS_INDEX4);
+              LOG_OPTS_R11 (VERTEX, UNKNOWN_512);
               LOG_OPTS_R11 (VERTEX, UNKNOWN_1024);
               LOG_OPTS_R11 (VERTEX, UNKNOWN_2048);
               LOG_OPTS_R11 (VERTEX, UNKNOWN_4096);