Added ROOT_INCLUDE_PATH for local prefix

This might actually have changed in the latest root release that we are
not use....

bin/env.sh

@@ -113,6 +113,8 @@ export DETECTOR_PATH="${DETECTOR_PREFIX}/${JUGGLER_DETECTOR}"
 ## build dir for ROOT to put its binaries etc.
 export ROOT_BUILD_DIR=$LOCAL_PREFIX/root_build
 
+export ROOT_INCLUDE_PATH=${LOCAL_PREFIX}/include:${ROOT_INCLUDE_PATH}
+
 echo "JUGGLER_DETECTOR:           ${JUGGLER_DETECTOR}"
 echo "JUGGLER_DETECTOR_VERSION:   ${JUGGLER_DETECTOR_VERSION}"
 echo "JUGGLER_N_EVENTS:           ${JUGGLER_N_EVENTS}"
@@ -123,6 +125,7 @@ echo "LOCAL_PREFIX:               ${LOCAL_PREFIX}"
 echo "DETECTOR_PREFIX:            ${DETECTOR_PREFIX}"
 echo "DETECTOR_PATH:              ${DETECTOR_PATH}"
 echo "ROOT_BUILD_DIR:             ${ROOT_BUILD_DIR}"
+echo "ROOT_INCLUDE_PATH:          ${ROOT_INCLUDE_PATH}"
 echo "BEAMLINE_CONFIG:            ${BEAMLINE_CONFIG}"
 echo "BEAMLINE_CONFIG_VERSION:    ${BEAMLINE_CONFIG_VERSION}"
 echo "LOCAL_DATA_PATH:            ${LOCAL_DATA_PATH}"