linux/process-wide bind calls: fix opendir errn...
linux/process-wide bind calls: fix opendir errn...

linux/process-wide bind calls: fix opendir errno

When opendir /proc/pid/task fails, return something better than ENOSYS

This commit was SVN r5243.

ggouaillardet/hwloc,ggouaillardet/hwloc,shekkbuilder/hwloc,ggouaillardet/hwloc,shekkbuilder/hwloc,shekkbuilder/hwloc,ggouaillardet/hwloc,shekkbuilder/hwloc