fix buffer overflow on empty lines (yes, these ...
fix buffer overflow on empty lines (yes, these ...

fix buffer overflow on empty lines (yes, these happen in the wild)

This commit was SVN r2718.

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