Merge pull request #941 from soph-dec/nxdata-axisname-indices-fix-type

NXdata: Fix type of AXISNAME_indices

Author: prjemian

base_classes/NXdata.nxdl.xml

@@ -112,7 +112,7 @@
 			the axes attribute can be omitted.
 		</doc>
 	</attribute>
-	<attribute name="AXISNAME_indices">
+	<attribute name="AXISNAME_indices" type="NX_INT">
 		<!-- 
 			nxdl.xsd rules do not allow us to show this as a variable name 
 			- we'll use ALL CAPS (see #562)