Compare getenv with NULL instead of 0 -- just for aesthetics.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/tr.c b/src/tr.c
index 06aeb7363..f4cc3a734 100644
--- a/src/tr.c
+++ b/src/tr.c
@@ -1656,7 +1656,7 @@ main (argc, argv)
 	}
     }
 
-  posix_pedantic = (getenv ("POSIXLY_CORRECT") != 0);
+  posix_pedantic = (getenv ("POSIXLY_CORRECT") != NULL);
 
   non_option_args = argc - optind;
   translating = (non_option_args == 2 && !delete);