VM: initialize the ctx member in the construction

To make valgrind happy because it complains that it is uninitialized.

diff --git a/vm/vm.cpp b/vm/vm.cpp
index 0fc40c78a36b22fdb2605d990d8867828eea5e6c..c2edee8eafe6411c55040f6c2f6f584814d05af7 100644 (file)
--- a/vm/vm.cpp
+++ b/vm/vm.cpp
@@ -3,7 +3,8 @@
 namespace factor {
 
 factor_vm::factor_vm(THREADHANDLE thread)
-    : nursery(0, 0),
+    : ctx(NULL),
+      nursery(0, 0),
       faulting_p(false),
       thread(thread),
       callback_id(0),