[greenmail] use javac source/target 1.6

[gil]

commit 1a3562c34740ce6118bf624c8697d4bba286dca5
Author: gil <puntogil at libero.it>
Date:   Wed Mar 4 00:55:09 2015 +0100

    use javac source/target 1.6

 greenmail.spec | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/greenmail.spec b/greenmail.spec
index 7389835..dbe0f31 100644
--- a/greenmail.spec
+++ b/greenmail.spec
@@ -43,6 +43,8 @@ install -m 0644 %{SOURCE1} LICENSE
 
 build-jar-repository lib javamail junit slf4j/slf4j-api slf4j/slf4j-simple
 
+sed -i 's|source="1.4"|source="1.6" target="1.6"|' build.xml
+
 %build
 ant all
 install %{SOURCE3} .
@@ -69,6 +71,7 @@ ant test
 * Tue Mar 03 2015 gil cattaneo <puntogil at libero.it> 1.3.1b-3
 - introduce license macro
 - use newer javapackages macros
+- use javac source/target 1.6
 - fix BR list
 
 * Sat Jun 07 2014 Fedora Release Engineering <rel-eng at lists.fedoraproject.org> - 1.3.1b-2