mpi Makefile bugfix

jacobi/mpi/SendRecv/Makefile

jacobi/mpi/SendRecv/make.def

jacobi/mpi/SendRecv/src/jacobi_2D_mpi_sendrecv.c

jacobi/mpi/Send_Recv_blocking/Makefile

jacobi/mpi/Send_Recv_blocking/include/tools.h

jacobi/mpi/Send_Recv_blocking/make.def

...Send_Recv_blocking/src/jacobi_2D_mpi_send_recv_blocking.c

jacobi/mpi/Send_Recv_nonblocking/Makefile

jacobi/mpi/Send_Recv_nonblocking/make.def

...ecv_nonblocking/src/jacobi_2D_mpi_send_recv_nonblocking.c

jacobi/mpi/Send_Recv_paired/Makefile

jacobi/mpi/Send_Recv_paired/make.def

...mpi/Send_Recv_paired/src/jacobi_2D_mpi_send_recv_paired.c

jacobi/mpi/cartesian/Makefile

jacobi/mpi/cartesian/make.def

jacobi/mpi/comp_comm/make.def

jacobi/mpi/comp_comm/src/jacobi_2D_mpi_comp_comm.c