Update table.cpp

little error fixed.
table.cpp:56:1: error: prototype for 'Table::Table(double, double, long unsigned
 int, bool, bool, std::string)' does not match any in class 'Table'
table.h:59:7: error: candidates are: Table::Table(const Table&)
table.h:102:5: error:                 Table::Table(double, double, size_t, bool,
 bool, std::string)
Merge pull request #3 from niangaotuantuan/master

Update table.cpp