Also initialize fCachedBlock, as it is used in the destructor. Related to

CID 10271, though that's actually the only member it doesn't mention.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40068 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/boot/loader/file_systems/fat/Volume.cpp

@@ -26,6 +26,7 @@ using namespace FATFS;
 
 Volume::Volume(boot::Partition *partition)
 	:
+	fCachedBlock(NULL),
 	fRoot(NULL)
 {
 	TRACE(("%s()\n", __FUNCTION__));