(ns_get_covering_families): Retain scriptToFamilies.

src/ChangeLog

@@ -9,6 +9,7 @@
 	(ns_has_attribute): Shrink the normal range.
 	(ns_findfonts): Don't worry about requested spec in determining
 	need for synthItal.
+	(ns_get_covering_families): Retain scriptToFamilies.
 2009-06-14  Seiji Zenitani  <zenitani@mac.com>

src/nsfont.m

@@ -397,7 +397,7 @@ seems to be limited for now (2009/05) to ja, zh, and ko. */
 	NSLog(@"Request covering families for script: '%@'", script);
 
     if (scriptToFamilies == nil)
-	scriptToFamilies = [NSMutableDictionary dictionaryWithCapacity: 30];
+        scriptToFamilies = [[NSMutableDictionary alloc] init];
 
     if ((families = [scriptToFamilies objectForKey: script]) == nil)
       {