[vala/0.34] girparser: Use properly typed parameters in unresolved_symbol_hash/equal

[Rico Tzschichholz <ricotz src gnome org>]

commit ffeacabfb6bf20477ba4be1b98847069a891abcf
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Fri Oct 6 14:53:06 2017 +0200

    girparser: Use properly typed parameters in unresolved_symbol_hash/equal

 vala/valagirparser.vala |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)
---
diff --git a/vala/valagirparser.vala b/vala/valagirparser.vala
index ba104ee..98894e6 100644
--- a/vala/valagirparser.vala
+++ b/vala/valagirparser.vala
@@ -3995,8 +3995,7 @@ public class Vala.GirParser : CodeVisitor {
 
        /* Hash and equal functions */
 
-       static uint unresolved_symbol_hash (void *ptr) {
-               var sym = (UnresolvedSymbol) ptr;
+       static uint unresolved_symbol_hash (UnresolvedSymbol? sym) {
                var builder = new StringBuilder ();
                while (sym != null) {
                        builder.append (sym.name);
@@ -4005,9 +4004,7 @@ public class Vala.GirParser : CodeVisitor {
                return builder.str.hash ();
        }
 
-       static bool unresolved_symbol_equal (void *ptr1, void *ptr2) {
-               var sym1 = (UnresolvedSymbol) ptr1;
-               var sym2 = (UnresolvedSymbol) ptr2;
+       static bool unresolved_symbol_equal (UnresolvedSymbol? sym1, UnresolvedSymbol? sym2) {
                while (sym1 != sym2) {
                        if (sym1 == null || sym2 == null) {
                                return false;