fortran: Fix ompi_alloc_mem_cptr_f linkage error

This fixes a linkage error when configured with `--disable-weak-symbols`,
described in open-mpi/ompi#1538 (comment)

The `ompi_alloc_mem_cptr_f` function for `mpif-h` was introduced in 052b13d
but I forgot to update `defines.h` file.

Author: kawashima-fj

ompi/mpi/fortran/mpif-h/profile/defines.h

@@ -34,6 +34,7 @@
 #define ompi_allgather_f pompi_allgather_f
 #define ompi_allgatherv_f pompi_allgatherv_f
 #define ompi_alloc_mem_f pompi_alloc_mem_f
+#define ompi_alloc_mem_cptr_f pompi_alloc_mem_cptr_f
 #define ompi_allreduce_f pompi_allreduce_f
 #define ompi_alltoall_f pompi_alltoall_f
 #define ompi_alltoallv_f pompi_alltoallv_f