/**
* Parse a hex string and return a data blob.
*/
-_PUBLIC_ _PURE_ DATA_BLOB strhex_to_data_blob(const char *strhex) ;
+_PUBLIC_ _PURE_ DATA_BLOB strhex_to_data_blob(TALLOC_CTX *mem_ctx, const char *strhex) ;
/**
* Routine to print a buffer as HEX digits, into an allocated string.