man: Fix typo in man io_uring_queue_exit
Fixes incorrect return result in the synopsis of man
io_uring_queue_exit, and misplaced quote.
@@ -10,7 +10,7 @@ io_uring_queue_exit - tear down io_uring submission and completion queues
.nf
.BR "#include <liburing.h>"
.PP
-.BI "int io_uring_queue_exit(struct io_uring *" ring );
+.BI "void io_uring_queue_exit(struct io_uring * ring );"
.fi
.PP
.SH DESCRIPTION
