tools/rv: Remove unneeded semicolon

The semicolon after the "}" is unneeded.

Link: https://lore.kernel.org/linux-trace-devel/202212191431057948891@zte.com.cn

Signed-off-by: zhang songyi <zhang.songyi@zte.com.cn>
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

tools/verification/rv/src/in_kernel.c

@@ -519,7 +519,7 @@ static void ikm_usage_print_reactors(void)
 
 		start = ++end;
 		end = strstr(start, "\n");
-	};
+	}
 
 	fprintf(stderr, "\n");
 }