Increment DFAStateEntryTable index for sentinel entry.

When adding the {-1, -1} entry to the DFAStateInputTable, we
need to increment the index used to populate the DFAStateEntryTable.
Otherwise, the entry table will be off by one for each transition
after the {-1, -1} entry. PR11908.

llvm-svn: 149713
1 file changed