hpcprof/*: Fix typo/bug that caused hpcprof-mpi to fail in a subtle way.
hpcprof/*: Fix typo/bug that caused hpcprof-mpi to fail in a subtle way.

Analysis::CallPath::overlayStaticStructureMain(): Fix typo/bug
introduced when cleaning up Prof::LoadMap after completion of
normalized ip code.
								   

HPCToolkit/hpctoolkit,zcth428/hpctoolkit,HPCToolkit/hpctoolkit,zcth428/hpctoolkit111,zcth428/hpctoolkit,zcth428/hpctoolkit111,zcth428/hpctoolkit,HPCToolkit/hpctoolkit,HPCToolkit/hpctoolkit,HPCToolkit/hpctoolkit,zcth428/hpctoolkit111,zcth428/hpctoolkit111,zcth428/hpctoolkit,HPCToolkit/hpctoolkit,zcth428/hpctoolkit111,zcth428/hpctoolkit