MacGui: fix build on 10.12 sdk.

diff --git a/macosx/HBPreviewView.m b/macosx/HBPreviewView.m
index 123223ace3bf8d30a0f51f552a9453fb7c68884b..deec210a7038e1261703e4e7d74142de996e9f0e 100644 (file)
--- a/macosx/HBPreviewView.m
+++ b/macosx/HBPreviewView.m
@@ -285,7 +285,7 @@
     return YES;
 }
 
-- (NSAccessibilityRole)accessibilityRole
+- (NSString *)accessibilityRole
 {
     return NSAccessibilityImageRole;
 }