testresample: write correct length to the .wav header.
diff --git a/test/testresample.c b/test/testresample.c
index 85a8eb7..a54a47d 100644
--- a/test/testresample.c
+++ b/test/testresample.c
@@ -89,7 +89,7 @@ main(int argc, char **argv)
avgbytes = cvtfreq * blockalign;
SDL_WriteLE32(io, 0x46464952); /* RIFF */
- SDL_WriteLE32(io, len * cvt.len_mult + 36);
+ SDL_WriteLE32(io, cvt.len_cvt + 36);
SDL_WriteLE32(io, 0x45564157); /* WAVE */
SDL_WriteLE32(io, 0x20746D66); /* fmt */
SDL_WriteLE32(io, 16); /* chunk size */