ash,hush: fix trap reporting: s/SIGEXIT/EXIT/

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/ash.c b/shell/ash.c
index b7c6431..597bc28 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -12259,8 +12259,9 @@
 	if (!*ap) {
 		for (signo = 0; signo < NSIG; signo++) {
 			if (trap[signo] != NULL) {
-				out1fmt("trap -- %s SIG%s\n",
+				out1fmt("trap -- %s %s%s\n",
 						single_quote(trap[signo]),
+						(signo == 0 ? "" : "SIG"),
 						get_signame(signo));
 			}
 		}
diff --git a/shell/hush.c b/shell/hush.c
index 9db2091..85a45dd 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -7099,7 +7099,7 @@
 				printf("trap -- ");
 				print_escaped(G.traps[i]);
 				/* bash compat: it says SIGxxx, not just xxx */
-				printf(" SIG%s\n", get_signame(i));
+				printf(" %s%s\n", i == 0 ? "" : "SIG", get_signame(i));
 			}
 		}
 		/*fflush(stdout); - done after each builtin anyway */
diff --git a/shell/hush_test/hush-trap/usage.right b/shell/hush_test/hush-trap/usage.right
index c0dbd6c..5b90222 100644
--- a/shell/hush_test/hush-trap/usage.right
+++ b/shell/hush_test/hush-trap/usage.right
@@ -2,13 +2,13 @@
 ___
 ___
 trap -- 'a' EXIT
-trap -- 'a' INT
-trap -- 'a' USR1
-trap -- 'a' USR2
+trap -- 'a' SIGINT
+trap -- 'a' SIGUSR1
+trap -- 'a' SIGUSR2
 ___
 ___
-trap -- 'a' USR1
-trap -- 'a' USR2
+trap -- 'a' SIGUSR1
+trap -- 'a' SIGUSR2
 ___
 ___
-trap -- 'a' USR2
+trap -- 'a' SIGUSR2