Move SparkFS
First remove: RiscOS/Sources/FileSys/ImageFS/SparkFS (SparkFS-1_50) Then add: RiscOS/Sources/FileSys/ImageFS/SparkFS/SparkFS (SparkFS-1_50)
First remove: RiscOS/Sources/FileSys/ImageFS/SparkFS (SparkFS-1_50) Then add: RiscOS/Sources/FileSys/ImageFS/SparkFS/SparkFS (SparkFS-1_50)