Renamed 'immutable' test-case to 'immutable_values'.

This is a part of the pending merge of the D module, where 'immutable' is a keyword (and thus not a valid module name).

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12294 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/common.mk

@@ -466,7 +466,7 @@ C_TEST_CASES += \
 	extern_declaration \
 	funcptr \
 	function_typedef \
-	immutable \
+	immutable_values \
 	inctest \
 	integers \
         keyword_rename \

Examples/test-suite/immutable_values.i

@@ -1,6 +1,6 @@
 // test to make sure setters are not generated for constants
 
-%module immutable
+%module immutable_values
 
 
 %immutable;