PDFBOX-5143: revert strict return value

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1888177 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/fontbox/src/main/java/org/apache/fontbox/cff/CFFParser.java b/fontbox/src/main/java/org/apache/fontbox/cff/CFFParser.java
index 8958e99..4e5d088 100644
--- a/fontbox/src/main/java/org/apache/fontbox/cff/CFFParser.java
+++ b/fontbox/src/main/java/org/apache/fontbox/cff/CFFParser.java
@@ -1262,7 +1262,7 @@
 

             public List<Number> getOperands()

             {

-                return Collections.unmodifiableList(operands);

+                return operands;

             }

 

             public List<Number> getDelta()