main: eliminate another local dummy variable

diff --git a/src/main.c b/src/main.c
index 6de16e54bed8078f7b6f37b17ecc230dfd922cd3..85548bec1ebaa6376f01f52dd228713bfc08abda 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -98,8 +98,7 @@ catch_sigint(gcc_unused int sig)
 static void
 catch_sigcont(gcc_unused int sig)
 {
-       char irrelevant = 'a';
-       if (1 != write(sigwinch_pipes[1], &irrelevant, 1))
+       if (1 != write(sigwinch_pipes[1], "", 1))
                exit(EXIT_FAILURE);
 }