avutil/display: Don't include avutil.h

Reviewed-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

libavutil/display.c

@@ -23,6 +23,7 @@
 #include <math.h>
 
 #include "display.h"
+#include "libm.h"
 #include "mathematics.h"
 
 // fixed point to double

libavutil/display.h

@@ -27,7 +27,6 @@
 #define AVUTIL_DISPLAY_H
 
 #include <stdint.h>
-#include "common.h"
 
 /**
  * @addtogroup lavu_video

libavutil/tests/display.c

@@ -18,6 +18,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include <stdio.h>
 #include "libavutil/display.c"
 
 static void print_matrix(int32_t matrix[9])