nc, hush: cosmetic cleanups, no code changes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/nc.c b/networking/nc.c
index 9c3f116..e4db238 100644
--- a/networking/nc.c
+++ b/networking/nc.c
@@ -129,7 +129,7 @@
 
 	if (wsecs) {
 		alarm(0);
-		/* Non-ignored siganls revert to SIG_DFL on exec anyway */
+		/* Non-ignored signals revert to SIG_DFL on exec anyway */
 		/*signal(SIGALRM, SIG_DFL);*/
 	}