Remove warnings about compare to self

Create temporary variables to store the array pointer such that we
compare the pointer with the temporary variable and prevent picky
compiler for complaining about a totally legitimate code.

Signed-off-by: George Bosilca <bosilca@icl.utk.edu>

Author: bosilca

ompi/mpi/fortran/base/fint_2_int.h

@@ -13,6 +13,7 @@
  * Copyright (c) 2012      Oracle and/or its affiliates.  All rights reserved.
  * Copyright (c) 2014-2019 Research Organization for Information Science
  *                         and Technology (RIST).  All rights reserved.
+ * Copyright (c) 2024      NVIDIA Corporation.  All rights reserved.
  * $COPYRIGHT$
  *
  * Additional copyrights may follow
@@ -32,17 +33,17 @@
  */
 
 #if OMPI_SIZEOF_FORTRAN_INTEGER == SIZEOF_INT
-  #define OMPI_ARRAY_NAME_DECL(a)
-  #define OMPI_2_DIM_ARRAY_NAME_DECL(a, dim2)
+  #define OMPI_ARRAY_NAME_DECL(a) int *c_##a
+  #define OMPI_2_DIM_ARRAY_NAME_DECL(a, dim2) int (*c_##a)[dim2]
   #define OMPI_SINGLE_NAME_DECL(a)
-  #define OMPI_ARRAY_NAME_CONVERT(a) a
+  #define OMPI_ARRAY_NAME_CONVERT(a) c_##a
   #define OMPI_SINGLE_NAME_CONVERT(a) a
   #define OMPI_INT_2_FINT(a) a
   #define OMPI_FINT_2_INT(a) a
   #define OMPI_PFINT_2_PINT(a) a
-  #define OMPI_ARRAY_FINT_2_INT_ALLOC(in, n)
-  #define OMPI_ARRAY_FINT_2_INT(in, n)
-  #define OMPI_2_DIM_ARRAY_FINT_2_INT(in, n, dim2)
+  #define OMPI_ARRAY_FINT_2_INT_ALLOC(in, n) { OMPI_ARRAY_NAME_CONVERT(in) = in; }
+  #define OMPI_ARRAY_FINT_2_INT(in, n) { OMPI_ARRAY_NAME_CONVERT(in) = in; }
+  #define OMPI_2_DIM_ARRAY_FINT_2_INT(in, n, dim2) { OMPI_ARRAY_NAME_CONVERT(in) = in; }
   #define OMPI_ARRAY_FINT_2_INT_CLEANUP(in)
   #define OMPI_SINGLE_FINT_2_INT(in)
   #define OMPI_SINGLE_INT_2_FINT(in)