Revert "Remove bulid dependency on rhino"

rhino is required by eclipse SWT.

This reverts commit 8bc1538418.

bsf.spec

@@ -1,7 +1,7 @@
 Name:           bsf
 Epoch:          0
 Version:        2.4.0
-Release:        30%{?dist}
+Release:        29%{?dist}
 Summary:        Bean Scripting Framework
 License:        ASL 2.0
 URL:            http://commons.apache.org/bsf/
@@ -17,6 +17,7 @@ BuildRequires:  javapackages-local
 BuildRequires:  ant
 BuildRequires:  apache-parent
 BuildRequires:  xalan-j2
+BuildRequires:  rhino
 BuildRequires:  apache-commons-logging
 
 %description
@@ -61,7 +62,7 @@ find -name \*.jar -delete
 %mvn_alias : org.apache.bsf:
 
 %build
-export CLASSPATH=$(build-classpath apache-commons-logging xalan-j2)
+export CLASSPATH=$(build-classpath apache-commons-logging rhino xalan-j2)
 ant jar javadocs
 
 %mvn_artifact %{SOURCE1} build/lib/%{name}.jar
@@ -77,9 +78,6 @@ ant jar javadocs
 %license LICENSE.txt NOTICE.txt
 
 %changelog
-* Tue Jul 17 2018 Mikolaj Izdebski <mizdebsk@redhat.com> - 0:2.4.0-30
-- Remove bulid dependency on rhino
-
 * Thu Jul 12 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0:2.4.0-29
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild