[PATCH] ui/cocoa: Fix openFile: deprecation on Big Sur

[Roman Bolshakov]

ui/cocoa.m:1188:44: warning: 'openFile:' is deprecated: first deprecated in 
macOS 11.0 - Use -[NSWorkspace openURL:] instead.
      [-Wdeprecated-declarations]
        if ([[NSWorkspace sharedWorkspace] openFile: full_file_path] == YES) {
                                           ^
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSWorkspace.h:350:1:
 note:
      'openFile:' has been explicitly marked deprecated here
- (BOOL)openFile:(NSString *)fullPath API_DEPRECATED("Use -[NSWorkspace 
openURL:] instead.", macos(10.0, 11.0));
^

Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
---
 ui/cocoa.m | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ui/cocoa.m b/ui/cocoa.m
index f32adc3074..5909758a09 100644
--- a/ui/cocoa.m
+++ b/ui/cocoa.m
@@ -1178,6 +1178,7 @@ QemuCocoaView *cocoaView;
     /* Where to look for local files */
     NSString *path_array[] = {@"../share/doc/qemu/", @"../doc/qemu/", 
@"../docs/"};
     NSString *full_file_path;
+    NSURL *full_file_url;
 
     /* iterate thru the possible paths until the file is found */
     int index;
@@ -1186,7 +1187,8 @@ QemuCocoaView *cocoaView;
         full_file_path = [full_file_path stringByDeletingLastPathComponent];
         full_file_path = [NSString stringWithFormat: @"%@/%@%@", 
full_file_path,
                           path_array[index], filename];
-        if ([[NSWorkspace sharedWorkspace] openFile: full_file_path] == YES) {
+        full_file_url = [NSURL URLWithString: full_file_path];
+        if ([[NSWorkspace sharedWorkspace] openURL: full_file_url] == YES) {
             return;
         }
     }
-- 
2.29.2