Suppress annoying "may be used uninitialized in this function" warning with gcc >= 4.6
Suppress annoying "may be used uninitialized in this function" warning with gcc >= 4.6

rotorliu/eigen,rotorliu/eigen,mjbshaw/Eigen,rotorliu/eigen,rotorliu/eigen,madlib/eigen_backup,madlib/eigen_backup,mjbshaw/Eigen,madlib/eigen_backup,madlib/eigen_backup,mjbshaw/Eigen,mjbshaw/Eigen