Fix compilation error: non-existing header file.

This is an excerpt from the debian patch:
http://http.debian.net/debian/pool/main/t/tvtime/tvtime_1.0.2-14.diff.gz

--- tvtime-1.0.2.orig/src/videodev2.h
+++ tvtime-1.0.2/src/videodev2.h
@@ -16,7 +16,6 @@
 #ifdef __KERNEL__
 #include <linux/time.h> /* need struct timeval */
 #endif
-#include <linux/compiler.h> /* need __user */
 
 /* for kernel versions 2.4.26 and below: */
 #ifndef __user
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<tr><td><span title='2022-05-18 23:20:21 +0200'>2022-05-18</span></td><td><a href='/guix/commit/tests/keys?id=3ae7632ca0a1edca9d8c3c766efb0dcc8aa5da37'>tests: Ensure test OpenPGP keys never expire.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-12-22 10:53:19 +0100'>2021-12-22</span></td><td><a href='/guix/commit/tests/keys?id=9ebc9ca070a21ba0aeb3f61202a8071bb250ccc8'>tests: Move keys into ./tests/keys/ and add a third ed25519 key.</a><span class='msg-avail'>...</span></td><td>Attila Lendvai</td></tr>