GERONIMOTCK-133 Change equation comparation order to avoid NPE

git-svn-id: https://svn.apache.org/repos/asf/geronimo/yoko/trunk@1364476 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/yoko-core/src/main/java/org/apache/yoko/orb/OB/ValueReader.java b/yoko-core/src/main/java/org/apache/yoko/orb/OB/ValueReader.java
index e6aa2af..0b03204 100644
--- a/yoko-core/src/main/java/org/apache/yoko/orb/OB/ValueReader.java
+++ b/yoko-core/src/main/java/org/apache/yoko/orb/OB/ValueReader.java
@@ -1081,7 +1081,7 @@
             result = read(strategy);
         } catch (org.omg.CORBA.MARSHAL marshalex) {
             logger.severe(marshalex.getMessage() + " at pos=" + (in_.buf_.pos_- 4));
-            if (System.getProperty("org.apache.yoko.ignoreInvalidValueTag").equalsIgnoreCase("true")) {
+            if ("true".equalsIgnoreCase(System.getProperty("org.apache.yoko.ignoreInvalidValueTag"))) {
                 result = read(strategy);
             } else {
                 throw marshalex;