compiler: fix a bug with FromAddress handling

Conversion of string to address with FromAddress is performed
at compile time so there is no need to push parameters on stack.

pkg/compiler/analysis.go

@@ -185,6 +185,11 @@ func isAppCall(expr ast.Expr) bool {
 	return ok && t.Sel.Name == "AppCall"
 }
 
+func isFromAddress(expr ast.Expr) bool {
+	t, ok := expr.(*ast.SelectorExpr)
+	return ok && t.Sel.Name == "FromAddress"
+}
+
 func isByteArray(lit *ast.CompositeLit, tInfo *types.Info) bool {
 	if len(lit.Elts) == 0 {
 		return false