Some minor updates

Fork of FATFileSystem by mbed official

Revision:
10:c8f664ac0494
Parent:
7:094f84646b9f
diff -r e2ab678eb692 -r c8f664ac0494 FATFileSystem.h
--- a/FATFileSystem.h	Sat Jul 30 20:47:51 2016 +0000
+++ b/FATFileSystem.h	Mon Dec 19 16:15:48 2016 +0000
@@ -87,7 +87,7 @@
     virtual int disk_read(uint8_t *buffer, uint32_t sector, uint32_t count) = 0;
     virtual int disk_write(const uint8_t *buffer, uint32_t sector, uint32_t count) = 0;
     virtual int disk_sync() { return 0; }
-    virtual uint32_t disk_sectors() = 0;
+    virtual uint64_t disk_sectors() = 0;
 
 };