ICU-5533 Do not include an empty directory classes.wrapper in icu4jsrc.jar.  This change is merged from branches/maint/maint-3-6.

X-SVN-Rev: 21462
diff --git a/build.xml b/build.xml
index 3422628..bebc09a 100644
--- a/build.xml
+++ b/build.xml
@@ -503,7 +503,7 @@
         <jar jarfile="${jarSrc.file}"
             compress="true"
             basedir="."
-            excludes="${richedit.dir}/**/*,test_*,${src.dir}/com/ibm/icu/dev/data/unicode//UnicodeData-*.txt,${src.dir}/com/ibm/icu/dev/data/unicode/SpecialCasing-*.txt,${src.dir}/com/ibm/icu/dev/data/unicode/CompositionExclusions-*.txt,${obsolete.dir}/**,**/*~,${src.dir}/**/*.class,${build.dir}/**,**/CVS/**/*,${doc.dir}/**,*.jar,*.zip, *.gz">
+            excludes="${richedit.dir}/**/*,test_*,${src.dir}/com/ibm/icu/dev/data/unicode//UnicodeData-*.txt,${src.dir}/com/ibm/icu/dev/data/unicode/SpecialCasing-*.txt,${src.dir}/com/ibm/icu/dev/data/unicode/CompositionExclusions-*.txt,${obsolete.dir}/**,**/*~,${src.dir}/**/*.class,${build.dir}/**,${wrapper.build.dir}/**,**/CVS/**/*,${doc.dir}/**,*.jar,*.zip, *.gz">
             <manifest>
                 <attribute name="Built-By" value="${corp}"/>
                 <section name="common">