Fix for use with 1.4.0

Similar to fix in guac-upgrade I proposed earlier.

guac-install.sh

@@ -676,6 +676,14 @@ fi
 # I think there is another service called firewalld that some people could be running instead
 # Unless someone opens an issue about it or submits a pull request, I'm going to ignore it for now
 
+# Create guacd.conf file required for 1.4.0
+echo -e "${BLUE}Create guacd.conf file...${NC}"
+cat> > /etc/guacamole/guacd.conf <<- "EOF"
+[server]
+bind_host = 0.0.0.0
+bind_port = 4822
+EOF
+
 # Cleanup
 echo -e "${BLUE}Cleanup install files...${NC}"
 rm -rf guacamole-*