fix bug 94: add #include src/misc/Solve.h in SparseExtra
fix bug 94: add #include src/misc/Solve.h in SparseExtra

toastedcrumpets/eigen,ritsu1228/eigen,TSC21/Eigen,ritsu1228/eigen,Zefz/eigen,pasuka/eigen,Zefz/eigen,toastedcrumpets/eigen,ROCmSoftwarePlatform/hipeigen,pasuka/eigen,ritsu1228/eigen,TSC21/Eigen,Zefz/eigen,toastedcrumpets/eigen,TSC21/Eigen,toastedcrumpets/eigen,ROCmSoftwarePlatform/hipeigen,ritsu1228/eigen,ROCmSoftwarePlatform/hipeigen,ROCmSoftwarePlatform/hipeigen,pasuka/eigen,TSC21/Eigen,ritsu1228/eigen,Zefz/eigen,pasuka/eigen,pasuka/eigen