swresample/dither: Cleanup number suffixes

The <<31 case needs LL
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libswresample/dither.c

@@ -84,14 +84,14 @@ int swri_dither_init(SwrContext *s, enum AVSampleFormat out_fmt, enum AVSampleFo
     in_fmt  = av_get_packed_sample_fmt( in_fmt);
 
     if(in_fmt == AV_SAMPLE_FMT_FLT || in_fmt == AV_SAMPLE_FMT_DBL){
-        if(out_fmt == AV_SAMPLE_FMT_S32) scale = 1.0/(1L<<31);
-        if(out_fmt == AV_SAMPLE_FMT_S16) scale = 1.0/(1L<<15);
-        if(out_fmt == AV_SAMPLE_FMT_U8 ) scale = 1.0/(1L<< 7);
+        if(out_fmt == AV_SAMPLE_FMT_S32) scale = 1.0/(1LL<<31);
+        if(out_fmt == AV_SAMPLE_FMT_S16) scale = 1.0/(1LL<<15);
+        if(out_fmt == AV_SAMPLE_FMT_U8 ) scale = 1.0/(1LL<< 7);
     }
     if(in_fmt == AV_SAMPLE_FMT_S32 && out_fmt == AV_SAMPLE_FMT_S32 && (s->dither.output_sample_bits&31)) scale = 1;
-    if(in_fmt == AV_SAMPLE_FMT_S32 && out_fmt == AV_SAMPLE_FMT_S16) scale = 1L<<16;
-    if(in_fmt == AV_SAMPLE_FMT_S32 && out_fmt == AV_SAMPLE_FMT_U8 ) scale = 1L<<24;
-    if(in_fmt == AV_SAMPLE_FMT_S16 && out_fmt == AV_SAMPLE_FMT_U8 ) scale = 1L<<8;
+    if(in_fmt == AV_SAMPLE_FMT_S32 && out_fmt == AV_SAMPLE_FMT_S16) scale = 1<<16;
+    if(in_fmt == AV_SAMPLE_FMT_S32 && out_fmt == AV_SAMPLE_FMT_U8 ) scale = 1<<24;
+    if(in_fmt == AV_SAMPLE_FMT_S16 && out_fmt == AV_SAMPLE_FMT_U8 ) scale = 1<<8;
 
     scale *= s->dither.scale;