*: whitespace fixes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/libbb/wfopen_input.c b/libbb/wfopen_input.c
index 422a58e..d8b1c4a 100644
--- a/libbb/wfopen_input.c
+++ b/libbb/wfopen_input.c
@@ -31,7 +31,7 @@
 	FILE *fp = fopen_or_warn_stdin(filename);
 	if (fp)
 		return fp;
-	xfunc_die();	/* We already output an error message. */
+	xfunc_die();  /* We already output an error message. */
 }
 
 int FAST_FUNC open_or_warn_stdin(const char *filename)
@@ -52,5 +52,5 @@
 	int fd = open_or_warn_stdin(filename);
 	if (fd >= 0)
 		return fd;
-	xfunc_die();	/* We already output an error message. */
+	xfunc_die();  /* We already output an error message. */
 }