Avoid variable named 'stat'
Avoid variable named 'stat'

Using a variable named 'stat' clashes with the system function
'stat()' causing compiler warnings on some platforms

cc1: warnings being treated as errors
../../src/qemu/qemu_monitor_text.c: In function 'parseMemoryStat':
../../src/qemu/qemu_monitor_text.c:604: error: declaration of 'stat' shadows a global declaration [-Wshadow]
/usr/include/sys/stat.h:455: error: shadowed declaration is here [-Wshadow]

Signed-off-by: Daniel P. Berrange <bb938cf255e055ff3507f2627d214e8e62118fcf@redhat.com>

nertpinx/libvirt,nertpinx/libvirt,libvirt/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,libvirt/libvirt,eskultety/libvirt,olafhering/libvirt,taget/libvirt,eskultety/libvirt,andreabolognani/libvirt,olafhering/libvirt,crobinso/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,jfehlig/libvirt,datto/libvirt,crobinso/libvirt,fabianfreyer/libvirt,datto/libvirt,zippy2/libvirt,VenkatDatta/libvirt,andreabolognani/libvirt,olafhering/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,taget/libvirt,VenkatDatta/libvirt,taget/libvirt,fabianfreyer/libvirt,eskultety/libvirt,andreabolognani/libvirt,zippy2/libvirt,zippy2/libvirt,zippy2/libvirt,nertpinx/libvirt,libvirt/libvirt,nertpinx/libvirt,andreabolognani/libvirt,jardasgit/libvirt,VenkatDatta/libvirt,olafhering/libvirt,nertpinx/libvirt,andreabolognani/libvirt,jfehlig/libvirt,datto/libvirt,taget/libvirt,VenkatDatta/libvirt,libvirt/libvirt,jardasgit/libvirt,crobinso/libvirt,jfehlig/libvirt,eskultety/libvirt,taget/libvirt,VenkatDatta/libvirt,datto/libvirt,eskultety/libvirt,datto/libvirt,crobinso/libvirt,jfehlig/libvirt