Remove floating point precision specification from Int64 formatter
Remove floating point precision specification from Int64 formatter

8.8Lx does not make sense - .8 is a floating point precision
specifier, but the format string only accepts 64-bit integers.

Signed-off-by: Euan Harris <c3b6e83069c8e9e3af49a38fec6026be89559638@citrix.com>

rafalmiel/xen-api,jjd27/xen-api,rafalmiel/xen-api,Frezzle/xen-api,srowe/xen-api,rafalmiel/xen-api,jjd27/xen-api,Frezzle/xen-api,rafalmiel/xen-api,jjd27/xen-api,euanh/xen-api,thomassa/xen-api,rafalmiel/xen-api,euanh/xen-api,srowe/xen-api,Frezzle/xen-api,jjd27/xen-api,srowe/xen-api,Frezzle/xen-api,srowe/xen-api,thomassa/xen-api,euanh/xen-api,euanh/xen-api,jjd27/xen-api,euanh/xen-api,thomassa/xen-api,thomassa/xen-api,thomassa/xen-api,srowe/xen-api,euanh/xen-api,rafalmiel/xen-api,jjd27/xen-api,Frezzle/xen-api,thomassa/xen-api