Change the C access mechanism for all solver  by adding a Macro GETI(i). It is easier for the instance weight support.
Change the C access mechanism for all solver 
by adding a Macro GETI(i).
It is easier for the instance weight support.


cjlin1/liblinear,toothacher17/liblinear,robin-lai/liblinear,angleto/liblinear,ShawnHuang/liblinear,Maluuba/liblinear,robin-lai/liblinear,angleto/liblinear,cjlin1/liblinear,Maluuba/liblinear,angleto/liblinear,robin-lai/liblinear,cjlin1/liblinear,toothacher17/liblinear,Maluuba/liblinear,robin-lai/liblinear,rokm/liblinear,rokm/liblinear,angleto/liblinear,rokm/liblinear,ShawnHuang/liblinear,ShawnHuang/liblinear,ShawnHuang/liblinear,toothacher17/liblinear,Maluuba/liblinear,toothacher17/liblinear,rokm/liblinear,cjlin1/liblinear