changed name of attribute to _quantize_bitgroom_number_of_significant_digits
@@ -329,7 +329,7 @@ there. */
/** When quantization is used for a variable, an attribute of this
* name is added. */
-#define NC_QUANTIZE_ATT_NAME "number_of_significant_digits"
+#define NC_QUANTIZE_ATT_NAME "_quantize_bitgroom_number_of_significant_digits"
/** For quantization, the allowed value of number of significant
* digits for float. */
