lavc/vorbisdsp: use ptrdiff_t rather than intptr_t

... for a difference between pointers.

1 files changed, 2 insertions, 2 deletions

diff --git a/libavcodec/vorbisdsp.h b/libavcodec/vorbisdsp.h
index 7abec4e4b7..1775a92cf2 100644
--- a/libavcodec/vorbisdsp.h
+++ b/libavcodec/vorbisdsp.h
@@ -19,12 +19,12 @@
 #ifndef AVCODEC_VORBISDSP_H
 #define AVCODEC_VORBISDSP_H
 
-#include <stdint.h>
+#include <stddef.h>
 
 typedef struct VorbisDSPContext {
     /* assume len is a multiple of 4, and arrays are 16-byte aligned */
     void (*vorbis_inverse_coupling)(float *mag, float *ang,
-                                    intptr_t blocksize);
+                                    ptrdiff_t blocksize);
 } VorbisDSPContext;
 
 void ff_vorbisdsp_init(VorbisDSPContext *dsp);