Change the catalog loading so it will crawl up the catalogs even if the rt root one is not found. This will allow to load "fr" even if "fr_FR" is not found. This way the preflet in its current state works again.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@35787 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kits/locale/LocaleRoster.cpp

@@ -600,7 +600,7 @@ BLocaleRoster::LoadCatalog(const char *signature, const char *language,
 		const char *lang;
 		for (int32 l=0; languages.FindString("language", l, &lang)==B_OK; ++l) {
 			catalog = info->fInstantiateFunc(signature, lang, fingerprint);
-			if (catalog) {
+			if (catalog)
 				info->fLoadedCatalogs.AddItem(catalog);
 			// Chain-load catalogs for languages that depend on
 			// other languages.
@@ -614,20 +614,23 @@ BLocaleRoster::LoadCatalog(const char *signature, const char *language,
 			int32 pos;
 			BString langName(lang);
 			BCatalogAddOn *currCatalog=catalog, *nextCatalog;
-				while ((pos = langName.FindLast('-')) >= 0) {
+			while ((pos = langName.FindLast('_')) >= 0) {
 				// language is based on parent, so we load that, too:
+				// (even if the parent catalog was not found)
 				langName.Truncate(pos);
 				nextCatalog = info->fInstantiateFunc(signature,
 					langName.String(), fingerprint);
 				if (nextCatalog) {
 					info->fLoadedCatalogs.AddItem(nextCatalog);
+					if(currCatalog)
 						currCatalog->fNext = nextCatalog;
+					else
+						catalog = nextCatalog;
 					currCatalog = nextCatalog;
 				}
 			}
 			return catalog;
 		}
-		}
 		info->UnloadIfPossible();
 	}