Define ff_log2_run[] in libavcodec/internal.h.

This avoids defining the array with different sizes in
different source files.

libavcodec/ffv1.h

@@ -54,8 +54,6 @@
 #define MAX_QUANT_TABLES 8
 #define MAX_CONTEXT_INPUTS 5
 
-extern const uint8_t ff_log2_run[41];
-
 typedef struct VlcState {
     int16_t drift;
     uint16_t error_sum;

libavcodec/internal.h

@@ -245,4 +245,6 @@ int ff_set_dimensions(AVCodecContext *s, int width, int height);
 int ff_side_data_update_matrix_encoding(AVFrame *frame,
                                         enum AVMatrixEncoding matrix_encoding);
 
+extern const uint8_t ff_log2_run[41];
+
 #endif /* AVCODEC_INTERNAL_H */

libavcodec/jpegls.h

@@ -30,6 +30,7 @@
 
 #include "libavutil/common.h"
 #include "avcodec.h"
+#include "internal.h"
 
 typedef struct JpeglsContext {
     AVCodecContext *avctx;
@@ -43,8 +44,6 @@ typedef struct JLSState {
     int run_index[4];
 } JLSState;
 
-extern const uint8_t ff_log2_run[32];
-
 /**
  * Calculate initial JPEG-LS parameters
  */