scripts/kvm/kvm_stat: Read event values as u64

The struct read_format, which denotes the returned values on a read
states that the values are u64 and not long long which is used for
struct unpacking.

Therefore the 'q' long long formatter was exchanged with 'Q' which is
the format for u64 data.

Signed-off-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Message-Id: <1452525484-32309-31-git-send-email-frankja@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

scripts/kvm/kvm_stat

diff --git a/scripts/kvm/kvm_stat b/scripts/kvm/kvm_stat
index ce97046..611f82a 100755
--- a/scripts/kvm/kvm_stat
+++ b/scripts/kvm/kvm_stat
@@ -358,7 +358,7 @@
 
     def read(self):
         length = 8 * (1 + len(self.events))
-        read_format = 'xxxxxxxx' + 'q' * len(self.events)
+        read_format = 'xxxxxxxx' + 'Q' * len(self.events)
         return dict(zip([event.name for event in self.events],
                         struct.unpack(read_format,
                                       os.read(self.events[0].fd, length))))