swr-test: Fix clip to 32bit

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libswresample/swresample-test.c

@@ -65,7 +65,7 @@ static void  set(uint8_t *a[], int ch, int index, int ch_count, enum AVSampleFor
     switch(f){
     case AV_SAMPLE_FMT_U8 : ((uint8_t*)p)[index]= av_clip_uint8 (lrint((v+1.0)*127));     break;
     case AV_SAMPLE_FMT_S16: ((int16_t*)p)[index]= av_clip_int16 (lrint(v*32767));         break;
-    case AV_SAMPLE_FMT_S32: ((int32_t*)p)[index]= av_clipl_int32(lrint(v*2147483647));    break;
+    case AV_SAMPLE_FMT_S32: ((int32_t*)p)[index]= av_clipl_int32(llrint(v*2147483647));   break;
     case AV_SAMPLE_FMT_FLT: ((float  *)p)[index]= v;                                      break;
     case AV_SAMPLE_FMT_DBL: ((double *)p)[index]= v;                                      break;
     default: av_assert2(0);