syntax error : download_and_convert_VOC2012.sh

Probable syntax error in line 43. Remove "function" for execution.

research/deeplab/datasets/download_and_convert_voc2012.sh

@@ -40,7 +40,7 @@ mkdir -p ${WORK_DIR}
 cd ${WORK_DIR}
 
 # Helper function to download and unpack VOC 2012 dataset.
-function download_and_uncompress() {
+download_and_uncompress() {
   local BASE_URL=${1}
   local FILENAME=${2}