Fix another number bug in bash scripts

hol4/configure_hol.sh

@@ -46,9 +46,9 @@ else
     if [[ "$CURR_HOL" = "$HOLCOMMIT" ]]
     then
         echo "All set. HOL4 is on the correct commit."
-        exit 0
     else
         echo "Please make sure HOL4 uses the commit $HOLCOMMIT"
         echo "or consider running the script with the --init parameter."
+        exit 1
     fi
 fi

scripts/ci-hol4.sh

@@ -2,7 +2,8 @@
 
 cd ./hol4
 #Run configure script to check the versions
-RET=./configure_hol.sh
+./configure_hol.sh
+RET=$?
 
 if [ $RET -eq 1 ];
 then