fix thinko in code comment

diff --git a/pp_ctl.c b/pp_ctl.c
index b3c7ba2..ef7be12 100644 (file)
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -1116,7 +1116,7 @@ PP(pp_mapwhile)
             * if necessary), then clear the current temps stack frame
             * *except* for those items. We do this splicing the items
             * into the start of the tmps frame (so some items may be on
-            * the tmps stack twice), then moving PL_stack_floor above
+            * the tmps stack twice), then moving PL_tmps_floor above
             * them, then freeing the frame. That way, the only tmps that
             * accumulate over iterations are the return values for map.
             * We have to do to this way so that everything gets correctly