show waiting cursor while ExecutionEnv is working

[inkscape.git] / src / libvpsc / blocks.h

diff --git a/src/libvpsc/blocks.h b/src/libvpsc/blocks.h
index 72363ef66e0d90224c083c8e38828b8de9e1a82d..bfe99f271146387da3939e2c57f78b08b4f95b63 100644 (file)
--- a/src/libvpsc/blocks.h
+++ b/src/libvpsc/blocks.h
@@ -36,7 +36,7 @@ class Blocks : public std::set<Block*>
 {
 public:
        Blocks(const int n, Variable* const vs[]);
-       ~Blocks(void);
+    virtual ~Blocks(void);
        void mergeLeft(Block *r);
        void mergeRight(Block *l);
        void split(Block *b, Block *&l, Block *&r, Constraint *c);