Changes existential NSStringFromSelector(_cmd) for straightforward __FUCNTION__

diff --git a/modules/videoio/src/cap_ios_abstract_camera.mm b/modules/videoio/src/cap_ios_abstract_camera.mm
index 425032c..79e0c3d 100644 (file)
--- a/modules/videoio/src/cap_ios_abstract_camera.mm
+++ b/modules/videoio/src/cap_ios_abstract_camera.mm
@@ -379,13 +379,13 @@
 - (void)createCaptureOutput;
 {
     [NSException raise:NSInternalInconsistencyException
-                format:@"You must override %@ in a subclass", NSStringFromSelector(_cmd)];
+                format:@"You must override %s in a subclass", __FUNCTION__];
 }
 
 - (void)createCustomVideoPreview;
 {
     [NSException raise:NSInternalInconsistencyException
-                format:@"You must override %@ in a subclass", NSStringFromSelector(_cmd)];
+                format:@"You must override %s in a subclass", __FUNCTION__];
 }
 
 - (void)updateOrientation;