make "outside a loop" error messages consistent

The message for leaving a "when" block outside a loop had different
wording from the message for performing "next" et al outside a loop.
Make the "when" message consistent with the existing loop control ones.

1 files changed, 1 insertions, 1 deletions

diff --git a/pp_ctl.c b/pp_ctl.c
index f378eccfec..3239d37de8 100644
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -4651,7 +4651,7 @@ PP(pp_leavewhen)
 
     cxix = dopoptoloop(cxstack_ix);
     if (cxix < 0)
-	DIE(aTHX_ "Can't leave \"when\" outside a loop");
+	DIE(aTHX_ "Can't leave \"when\" outside a loop block");
 
     oldsp = PL_stack_base + cx->blk_oldsp;
     if (gimme == G_VOID)