use different property on Tiger for homepage, apple depricated the one we

were using (bug 313884)

camino/src/bookmarks/AddressBookManager.m

@@ -45,12 +45,18 @@
 #import "Bookmark.h"
 #import <AddressBook/AddressBook.h>
 
+#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_4
+// These are not available for linkage before the 10.4 SDK. Value obtained via inspection.
+static NSString * const kABURLsProperty = @"URLs";
+#endif
+
 
 @implementation AddressBookManager
 
 -(id)initWithFolder:(id)folder
 {
   if ((self = [super init])) {
+    [ABAddressBook sharedAddressBook];    // ensure notification constants are valid, docs say they're not until this is called
     mAddressBookFolder = [folder retain];
     NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
     [nc addObserver:self selector:@selector(fillAddressBook:) name:kABDatabaseChangedNotification object:nil];
@@ -81,6 +87,11 @@
   NSString *name, *homepage;
   while ((person = [peopleEnumerator nextObject])) {
     homepage = [person valueForProperty:kABHomePageProperty];
+    if (!homepage) {
+      // |kABHomePageProperty| is depricated on Tiger, look for the new property.
+      ABMultiValue* urls = [person valueForProperty:kABURLsProperty];
+      homepage = [urls valueAtIndex:[urls indexForIdentifier:[urls primaryIdentifier]]];
+    }
     if ([homepage length] > 0) {
       NSString* firstName = [person valueForProperty:kABFirstNameProperty];
       NSString* lastName = [person valueForProperty:kABLastNameProperty];