([NSDictionary +dictionary]): Use +alloc, not _concreteClass. This

makes [NSMutableDictionary +dictionary] and friends do the right thing.
([NSDictionary +dictionaryWithObjects:forKeys:count:]): Likewise.
([NSMutableDictionary +dictionaryWithCapacity:]): Likewise.
(Problem reported by Kim Shrier <kim@media.com>.)


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@658 72102866-910b-0410-8b05-ffd578937521

Source/NSDictionary.m

@@ -67,7 +67,7 @@ static Class NSMutableDictionary_concrete_class;
 
 + dictionary
 {
-  return [[[[self _concreteClass] alloc] init] 
+  return [[[self alloc] init] 
 	  autorelease];
 }
 
@@ -75,7 +75,7 @@ static Class NSMutableDictionary_concrete_class;
 		forKeys: (NSString**)keys
 		  count: (unsigned)count
 {
-  return [[[[self _concreteClass] alloc] initWithObjects:objects
+  return [[[self alloc] initWithObjects:objects
 			forKeys:keys
 			count:count]
 	  autorelease];
@@ -98,7 +98,7 @@ static Class NSMutableDictionary_concrete_class;
 
 + dictionaryWithObjects: (NSArray*)objects forKeys: (NSArray*)keys
 {
-  return [[[[self _concreteClass] alloc] initWithObjects:objects forKeys:keys]
+  return [[[self alloc] initWithObjects:objects forKeys:keys]
 	  autorelease];
 }
 
@@ -286,7 +286,7 @@ static Class NSMutableDictionary_concrete_class;
 
 + dictionaryWithCapacity: (unsigned)numItems
 {
-  return [[[[self _mutableConcreteClass] alloc] initWithCapacity:numItems]
+  return [[[self alloc] initWithCapacity:numItems]
 	  autorelease];
 }