JSIEVE-73 correcting folder name

Compilation under Eclipse is broken :

./james-utils/src/test/java/org.apache.james.mime4j.utils.search/MessageMatcherTest.java

instead of

./james-utils/src/test/java/org/apache/james/mime4j/utils/search/MessageMatcherTest.java

The maven tests pass, but  compilation within an Eclipse workspace does not.
diff --git a/james-utils/src/test/java/org.apache.james.mime4j.utils.search/MessageMatcherTest.java b/james-utils/src/test/java/org/apache/james/mime4j/utils/search/MessageMatcherTest.java
similarity index 100%
rename from james-utils/src/test/java/org.apache.james.mime4j.utils.search/MessageMatcherTest.java
rename to james-utils/src/test/java/org/apache/james/mime4j/utils/search/MessageMatcherTest.java