simplify the rendering code so there's no 'realloc' going on.

That seemed horribly inefficient to me.
Now we use multiple passes and can test for failure more carefully.


git-svn-id: http://svn.code.sf.net/p/cjson/code@12 e3330c51-1366-4df0-8b21-3ccf24e3d50e

cJSON.h

@@ -53,7 +53,6 @@ typedef struct cJSON {
 
 typedef struct cJSON_Hooks {
       void *(*malloc_fn)(size_t sz);
-      void *(*realloc_fn)(void *ptr, size_t sz);
       void (*free_fn)(void *ptr);
 } cJSON_Hooks;