Merge branch releases/1.8 revisions 5101:5103 into trunk:

- Fixed compilation issues with OSX SDK 10.10+


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5104 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/MacOSX/CIrrDeviceMacOSX.mm

@@ -497,7 +497,7 @@ CIrrDeviceMacOSX::CIrrDeviceMacOSX(const SIrrlichtCreationParameters& param)
 		{
 			[[NSAutoreleasePool alloc] init];
 			[NSApplication sharedApplication];
-			[NSApp setDelegate:[[[AppDelegate alloc] initWithDevice:this] autorelease]];
+			[NSApp setDelegate:(id<NSFileManagerDelegate>)[[[AppDelegate alloc] initWithDevice:this] autorelease]];
 			[NSBundle loadNibNamed:@"MainMenu" owner:[NSApp delegate]];
 			[NSApp finishLaunching];
 		}
@@ -731,7 +731,7 @@ bool CIrrDeviceMacOSX::createWindow()
 						{
 							[Window center];
 						}
-						[Window setDelegate:[NSApp delegate]];
+						[Window setDelegate:(id<NSWindowDelegate>)[NSApp delegate]];
 
 						if(CreationParams.DriverType == video::EDT_OPENGL)
 							[OGLContext setView:[Window contentView]];