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-rw-r--r--testpar/t_pread.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/testpar/t_pread.c b/testpar/t_pread.c
index 53701b9..19ccf56 100644
--- a/testpar/t_pread.c
+++ b/testpar/t_pread.c
@@ -90,7 +90,7 @@ generate_test_file( MPI_Comm comm, int mpi_rank, int group_id )
int header = -1;
const char *fcn_name = "generate_test_file()";
const char *failure_mssg = NULL;
- char *group_filename = NULL;
+ const char *group_filename = NULL;
char data_filename[FILENAME_BUF_SIZE];
int file_index = 0;
int group_size;