Restore mymalloc build with ithreads

Broken by commit 7cd83f6573.

diff --git a/malloc.c b/malloc.c
index 1d22923..e2f97ad 100644 (file)
--- a/malloc.c
+++ b/malloc.c
@@ -1711,6 +1711,7 @@ morecore(register int bucket)
                    }
                }
                if (t && *t) {
+                   dTHX;
                    MYMALLOC_WRITE2STDERR("Unrecognized part of PERL_MALLOC_OPT: \"");
                    MYMALLOC_WRITE2STDERR(t);
                    MYMALLOC_WRITE2STDERR("\"\n");