Use unsigned rather than uint16_t in case anyone feels like testing more graphs, like all graphs with 5 nodes or less.  With a 32 bit unsigned type, the maximum is graphs with 6 nodes or less, but that would take a while to test - 5 nodes or less already requires a few seconds.
Use unsigned rather than uint16_t in case anyone feels like testing
more graphs, like all graphs with 5 nodes or less.  With a 32 bit
unsigned type, the maximum is graphs with 6 nodes or less, but that
would take a while to test - 5 nodes or less already requires a few
seconds.


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@136354 91177308-0d34-0410-b5e6-96231b3b80d8

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