[OPENJDK-312] use "type -p" instead of "which"

run-java.sh called "which" in some circumstances but does not explicitly
depend upon it.  Severin points out "type -p" can be used instead and is
a bash built-in.

https://issues.redhat.com/browse/OPENJDK-309

Signed-off-by: Jonathan Dowland <[email protected]>

Author: jmtd

modules/run/bash/artifacts/opt/jboss/container/java/run/run-java.sh

@@ -118,7 +118,7 @@ run_java_options() {
   if [ -f "/opt/run-java-options" ]; then
     echo `sh /opt/run-java-options`
   else
-    which run-java-options >/dev/null 2>&1
+    type -p run-java-options >/dev/null 2>&1
     if [ $? = 0 ]; then
       echo `run-java-options`
     fi