data: Cargo doesn't escape paths with space
When building matrixmultiply v0.2.2:
BUILDSTDERR: /usr/bin/cp: cannot stat 'spare': No such file or directory
BUILDSTDERR: /usr/bin/cp: failed to get attributes of 'kernels': No such file or directory
Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>