Minor correction to backup script

backups/backup_mysql.sh

@@ -131,6 +131,14 @@ function validate_args () {
         get_absolute_path "${kwargs[backup_path]}"
         backup_folder="${return_value}"
     fi
+
+    # Validate backup folder.
+    if [[ ! -d ${backup_folder} ]]
+    then
+        echo -e "${text_red}Provided backup location is not a folder, or does not exist.${text_reset}"
+        echo -e "${text_red}Please verify the location exists, and that the location points to a folder, not a file.${text_reset}"
+        exit 0
+    fi
 }