Merge pull request #599 from vjuranek/init

Add alternatives (used e.g. for openjdk7) to java candidates

rpm/SOURCES/jenkins.init.in

@@ -64,7 +64,7 @@ JENKINS_PID_FILE="/var/run/jenkins.pid"
 # Search usable Java. We do this because various reports indicated
 # that /usr/bin/java may not always point to Java 1.5
 # see http://www.nabble.com/guinea-pigs-wanted-----Hudson-RPM-for-RedHat-Linux-td25673707.html
-for candidate in /usr/lib/jvm/java-1.6.0/bin/java /usr/lib/jvm/jre-1.6.0/bin/java /usr/lib/jvm/java-1.5.0/bin/java /usr/lib/jvm/jre-1.5.0/bin/java /usr/bin/java
+for candidate in /etc/alternatives/java /usr/lib/jvm/java-1.6.0/bin/java /usr/lib/jvm/jre-1.6.0/bin/java /usr/lib/jvm/java-1.5.0/bin/java /usr/lib/jvm/jre-1.5.0/bin/java /usr/bin/java
 do
   [ -x "$JENKINS_JAVA_CMD" ] && break
   JENKINS_JAVA_CMD="$candidate"