FIxed compilation errors in the Mac OS X build. It works, but I still need to fix dialogs before I can push anything.

dialog_darwin.m

@@ -9,7 +9,7 @@
 #define to(T, x) ((T *) (x))
 #define toNSWindow(x) to(NSWindow, (x))
 
-static void alert(id parent, NSString *primary, NSString *secondary, NSAlertStyle style)
+static intptr_t alert(id parent, NSString *primary, NSString *secondary, NSAlertStyle style)
 {
 	NSAlert *box;
 

sysdata_darwin.go

@@ -308,15 +308,15 @@ func (s *sysData) len() int {
 }
 
 func (s *sysData) setAreaSize(width int, height int) {
-	return C.setAreaSize(s.id, C.intptr_t(width), C.intptr_t(height))
+	C.setAreaSize(s.id, C.intptr_t(width), C.intptr_t(height))
 }
 
 func (s *sysData) repaintAll() {
-	return C.display(s.id)
+	C.display(s.id)
 }
 
 func (s *sysData) center() {
-	return C.center(s.id)
+	C.center(s.id)
 }
 
 func (s *sysData) setChecked(checked bool) {

uitask_darwin.go

@@ -4,7 +4,6 @@ package ui
 
 import (
 	"fmt"
-	"runtime"
 	"unsafe"
 )
 
@@ -32,7 +31,7 @@ func ui() {
 	go func() {
 		for {
 			select {
-			case f := range uitask:
+			case f := <-uitask:
 				C.douitask(appDelegate, unsafe.Pointer(&f))
 			case <-Stop:
 				C.breakMainLoop()