added touch $TFENVFILE back into script

Author: WodansSon

solution_template/vm-linux-terraform/scripts/install.sh

@@ -116,6 +116,7 @@ echo "export ARM_USE_MSI=true"                              >> $PROFILEFILE
 echo "export ARM_MSI_ENDPOINT=\"https://localhost:50342\""  >> $PROFILEFILE
 
 # Add contributor permissions to the MSI for entire subscription
+touch $TFENVFILE
 echo "az login"                                            >> $TFENVFILE
 echo "az role assignment create  --assignee \"$MSI_PRINCIPAL_ID\" --role 'b24988ac-6180-42a0-ab88-20f7382dd24c'  --scope /subscriptions/\"$SUBSCRIPTION_ID\""  >> $TFENVFILE
 chmod 755 $TFENVFILE