build: fix vircgroup build on mingw
build: fix vircgroup build on mingw

The previous patch was incomplete.

  CC       libvirt_util_la-vircgroup.lo
../../src/util/vircgroup.c:70:12: error: 'virCgroupPartitionEscape' declared 'static' but never defined [-Werror=unused-function]
 static int virCgroupPartitionEscape(char **path);
            ^

* src/util/vircgroup.c (virCgroupPartitionEscape): Move forward
declaration inside conditional.

Signed-off-by: Eric Blake <a9da18479c871fe903d9590822cfe2629c6a4d11@redhat.com>

agx/libvirt,rlaager/libvirt,taget/libvirt,libvirt/libvirt,nertpinx/libvirt,jardasgit/libvirt,eskultety/libvirt,datto/libvirt,elmarco/libvirt,andreabolognani/libvirt,jardasgit/libvirt,eskultety/libvirt,libvirt/libvirt,shugaoye/libvirt,rlaager/libvirt,jfehlig/libvirt,elmarco/libvirt,datto/libvirt,datto/libvirt,cbosdo/libvirt,nertpinx/libvirt,jfehlig/libvirt,andreabolognani/libvirt,zhlcindy/libvirt-1.1.4-maintain,fabianfreyer/libvirt,jardasgit/libvirt,nertpinx/libvirt,elmarco/libvirt,VenkatDatta/libvirt,fabianfreyer/libvirt,shugaoye/libvirt,crobinso/libvirt,zhlcindy/libvirt-1.1.4-maintain,agx/libvirt,VenkatDatta/libvirt,libvirt/libvirt,agx/libvirt,zippy2/libvirt,fabianfreyer/libvirt,cbosdo/libvirt,zhlcindy/libvirt-1.1.4-maintain,cbosdo/libvirt,olafhering/libvirt,elmarco/libvirt,andreabolognani/libvirt,cbosdo/libvirt,shugaoye/libvirt,agx/libvirt,andreabolognani/libvirt,crobinso/libvirt,jardasgit/libvirt,andreabolognani/libvirt,VenkatDatta/libvirt,cbosdo/libvirt,taget/libvirt,taget/libvirt,taget/libvirt,olafhering/libvirt,zhlcindy/libvirt-1.1.4-maintain,elmarco/libvirt,nertpinx/libvirt,jfehlig/libvirt,taget/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,agx/libvirt,olafhering/libvirt,eskultety/libvirt,datto/libvirt,jardasgit/libvirt,zippy2/libvirt,rlaager/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,libvirt/libvirt,VenkatDatta/libvirt,rlaager/libvirt,crobinso/libvirt,crobinso/libvirt,zhlcindy/libvirt-1.1.4-maintain,nertpinx/libvirt,eskultety/libvirt,datto/libvirt,zippy2/libvirt,shugaoye/libvirt,eskultety/libvirt,shugaoye/libvirt,zippy2/libvirt,olafhering/libvirt,rlaager/libvirt