mesa: Fix pointer arithmetic.

diff --git a/src/mesa/main/texgetimage.c b/src/mesa/main/texgetimage.c
index 008407210d91e95fb0cab9f74af02d55a727f097..bd7cc8d278033ecc621b2a68a13b7c54b5612db9 100644 (file)
--- a/src/mesa/main/texgetimage.c
+++ b/src/mesa/main/texgetimage.c
@@ -554,7 +554,9 @@ _mesa_get_compressed_teximage(GLcontext *ctx, GLenum target, GLint level,
       GLuint bw, bh;
       _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh);
       for (i = 0; i < (texImage->Height + bh - 1) / bh; i++) {
-         memcpy(img + i * row_stride, texImage->Data + i * row_stride_stored, row_stride);
+         memcpy((GLubyte *)img + i * row_stride,
+                (GLubyte *)texImage->Data + i * row_stride_stored,
+                row_stride);
       }
    }