Fix include mpif.h

 - #include must use ", ' not allowed
 - switch everything to `include` not `#include` for consistency

Author: zbeekman

src/extensions/opencoarrays.F90

@@ -33,7 +33,7 @@ module opencoarrays
   implicit none
 
 #ifndef MPI_WORKING_MODULE
-#include 'mpif.h'
+  include 'mpif.h'
 #endif
 
   private

src/tests/integration/dist_transpose/coarray_distributed_transpose.F90

@@ -40,7 +40,7 @@ module run_size
      implicit none
 #  else
      implicit none
-#    include 'mpif.h'
+     include 'mpif.h'
      interface WALLTIME
        function MPI_WTIME() result(res)
          double precision :: res

src/tests/integration/pde_solvers/navier-stokes/coarray-shear_coll.F90

@@ -117,7 +117,7 @@ module run_size
      implicit none
 #  else
      implicit none
-#    include 'mpif.h'
+     include 'mpif.h'
      interface WALLTIME
        function MPI_WTIME() result(res)
          double precision :: res

src/tests/performance/BurgersMPI/shared.F90

@@ -29,7 +29,7 @@ module shared
 #ifdef MPI_WORKING_MODULE
   use mpi !non-native mpi functionality
 #else
-# include 'mpif.h'
+  include 'mpif.h'
 #endif
   integer :: tag, status(MPI_STATUS_SIZE)
   integer :: MPI_COMM_CART

src/tests/performance/mpi_dist_transpose/mpi_distributed_transpose.F90

@@ -43,7 +43,7 @@ module mpi_run_size
      implicit none
 #  else
      implicit none
-#    include 'mpif.h'
+     include 'mpif.h'
      interface WALLTIME
        function MPI_WTIME() result(res)
          double precision :: res

src/tests/unit/init_register/initialize_mpi.F90

@@ -31,7 +31,7 @@ program initialize_mpi
   implicit none
 #else
   implicit none
-# include 'mpif.h'
+  include 'mpif.h'
   interface
      subroutine MPI_COMM_SIZE(mpi_comm,nranks,ierr)
        integer, intent(in)  :: mpi_comm