Merge branch 'fix_11285' into 'master'

Attempt to sanitize the database identifiers, fix #11285

Closes #11285

See merge request riseuplabs/backupninja!11

handlers/mysql.in

@@ -255,6 +255,9 @@ then
 
    for db in $databases
    do
+      # Sanitize database name
+      db=$(echo $db | tr -d \'\;)
+
       DUMP_BASE="$MYSQLDUMP $defaultsfile $sqldumpoptions"
 
       # Dumping structure and data