Add '--no-check-certificate' option to wget when downloading the Cora data set.

The SSL certificate for "https://linqs-data.soe.ucsc.edu/public/lbc/cora.tgz" has expired recently.

PiperOrigin-RevId: 314151979

Author: arjung

neural_structured_learning/examples/preprocess/cora/prep_data.sh

@@ -26,7 +26,7 @@ function download () {
   filename=${fileurl##*/}
   if [ ! -f ${filename} ]; then
     echo ">>> Downloading '${filename}' from '${fileurl}' to '${filedir}'"
-    wget --quiet -P ${filedir} ${fileurl}
+    wget --quiet --no-check-certificate -P ${filedir} ${fileurl}
   else
     echo "*** File '${filename}' exists; no need to download it."
   fi