All: Fix a lot of compiler warnings from header files

While reworking build system, header files started to report warnings.

kernel/include/kernel/FS/FAT/FileSystem.h

@@ -53,12 +53,12 @@ namespace Kernel
 		uint32_t first_fat_sector() const   { return m_bpb.reserved_sector_count; }
 
 	private:
-		const FAT::BPB m_bpb;
-		const Type m_type;
-
 		BAN::RefPtr<BlockDevice> m_block_device;
 		BAN::RefPtr<FATInode> m_root_inode;
 
+		const FAT::BPB m_bpb;
+		const Type m_type;
+
 		BAN::HashMap<ino_t, BAN::WeakPtr<FATInode>> m_inode_cache;
 
 		BAN::Vector<uint8_t> m_fat_two_sector_buffer;