test: remove unnecessary bash-ism.

Bash allows '-' in function names, but other shells don't.
So use '_' - always safe.

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/test b/test
index 24704548..b381f008 100755
--- a/test
+++ b/test
@@ -69,13 +69,13 @@ cleanup() {
 	done
 }
 
-ctrl-c() {
+ctrl_c() {
 	exitonerror=1
 }
 
 do_setup() {
   trap cleanup 0 1 3 15
-  trap ctrl-c 2
+  trap ctrl_c 2
 
   devlist=
   for d in 0 1 2 3 4 5 6 7 8 9 10 11 12