Extract hwloc_pci_find_hostbridge_parent() out ...
Extract hwloc_pci_find_hostbridge_parent() out ...

Extract hwloc_pci_find_hostbridge_parent() out of the main
PCI lookup function.

This commit was SVN r1076.

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