global: rename include'd C files to be .c

This is done by 259 other files in the kernel tree:

    linux $ rg '#include.*\.c' -l | wc -l
    259

Suggested-by: Sultan Alsawaf <sultanxda@gmail.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/ratelimiter.c b/src/ratelimiter.c
index a5fa3a4..9c9bd8d 100644
--- a/src/ratelimiter.c
+++ b/src/ratelimiter.c
@@ -217,4 +217,4 @@ out:
 	mutex_unlock(&init_lock);
 }
 
-#include "selftest/ratelimiter.h"
+#include "selftest/ratelimiter.c"