BLOCKS API: Added a couple of missing simplification steps in the littlefoot compiler

modules/juce_blocks_basics/littlefoot/juce_LittleFootCompiler.h

@@ -1516,6 +1516,15 @@ private:
             cg.continueTarget = oldContinueTarget;
         }
 
+        StatementPtr simplify (SyntaxTreeBuilder& stb) override
+        {
+            initialiser = initialiser->simplify (stb);
+            iterator = iterator->simplify (stb);
+            body = body->simplify (stb);
+            condition = condition->simplify (stb);
+            return this;
+        }
+
         void visitSubStatements (Statement::Visitor& visit) const override
         {
             visit (condition); visit (initialiser); visit (iterator); visit (body);
@@ -1548,6 +1557,12 @@ private:
 
         bool alwaysReturns() const override     { return true; }
 
+        StatementPtr simplify (SyntaxTreeBuilder& stb) override
+        {
+            returnValue = returnValue->simplify (stb);
+            return this;
+        }
+
         void visitSubStatements (Statement::Visitor& visit) const override
         {
             visit (returnValue);