Remove trailing spaces in misc sources.

Change-Id: I573d4e816112b7401b3c824fbe773b85a8601531
diff --git a/log-rotate-android.c b/log-rotate-android.c
index 747a0a7..7c565eb 100644
--- a/log-rotate-android.c
+++ b/log-rotate-android.c
@@ -80,7 +80,7 @@
 void qemu_log_rotation_poll(void) {
     if (!rotate_logs_requested)
         return;
-    
+
     FILE* new_dns_log_fd = rotate_log(get_slirp_dns_log_fd(),
                                       dns_log_filename);
     FILE* new_drop_log_fd = rotate_log(get_slirp_drop_log_fd(),