fix C++-compat error

we cannot malloc to an anon struct in C++.
typedef yaml_anchors_t

src/dumper.c

@@ -131,7 +131,7 @@ yaml_emitter_dump(yaml_emitter_t *emitter, yaml_document_t *document)
 
     assert(emitter->opened);    /* Emitter should be opened. */
 
-    emitter->anchors = yaml_malloc(sizeof(*(emitter->anchors))
+    emitter->anchors = (yaml_anchors_t*)yaml_malloc(sizeof(*(emitter->anchors))
             * (document->nodes.top - document->nodes.start));
     if (!emitter->anchors) goto error;
     memset(emitter->anchors, 0, sizeof(*(emitter->anchors))

src/emitter.c

@@ -16,7 +16,7 @@
 #define PUT(emitter,value)                                                      \
     (FLUSH(emitter)                                                             \
      && (*(emitter->buffer.pointer++) = (yaml_char_t)(value),                   \
-         emitter->column ++,                                                    \
+         emitter->column++,                                             	\
          1))
 
 /*