Mark functions static when possible

git-svn-id: file://localhost/svn/verilator/trunk/verilator@771 77ca24e4-aefa-0310-84f0-b9a241c72d87

src/V3Task.cpp

@@ -289,6 +289,7 @@ private:
 	if (rtnvarp) funcp->addArgsp(rtnvarp);
 	funcp->dontCombine(true);
 	funcp->funcPublic(true);
+	funcp->isStatic(false);
 
 	// We need to get a pointer to all of our variables (may have eval'ed something else earlier)
 	funcp->addInitsp(