(opt_nul_terminate_output): Declare `static'.

diff --git a/src/du.c b/src/du.c
index 21299b469e52868a7d03909e37ffa9fff7554ffc..b8fe68c739a4bf001854cb86bf7615341de70e08 100644 (file)
--- a/src/du.c
+++ b/src/du.c
@@ -88,7 +88,7 @@ static int apparent_size = 0;
 static int opt_count_all = 0;
 
 /* If true, output the NUL byte instead of a newline at the end of each line. */
-bool opt_nul_terminate_output = false;
+static bool opt_nul_terminate_output = false;
 
 /* If nonzero, print a grand total at the end.  */
 static int print_grand_total = 0;