revert back to using lower case _unlocked wrapper names

1 files changed, 1 insertions, 1 deletions

diff --git a/src/df.c b/src/df.c
index 3b2c98278..097cafccd 100644
--- a/src/df.c
+++ b/src/df.c
@@ -330,7 +330,7 @@ show_dev (const char *disk, const char *mount_point, const char *fstype)
 #endif
       printf (" %s", mount_point);
     }
-  PUTCHAR ('\n');
+  putchar ('\n');
 }
 
 /* Identify the directory, if any, that device