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Fixing initialization issues on small frame sizes

--- a/src/analysis.c

+++ b/src/analysis.c

@@ -488,7 +488,11 @@

     int is_silence;

     SAVE_STACK;

-    tonal->initialized = 1;

+    if (!tonal->initialized)

+    {

+       tonal->mem_fill = 240;

+       tonal->initialized = 1;

+    }

     alpha = 1.f/IMIN(10, 1+tonal->count);

     alphaE = 1.f/IMIN(25, 1+tonal->count);

     /* Noise floor related decay for bandwidth detection: -2.2 dB/second */

@@ -506,8 +510,6 @@

     }

     kfft = celt_mode->mdct.kfft[0];

-    if (tonal->count==0)

-       tonal->mem_fill = 240;

     tonal->hp_ener_accum += (float)downmix_and_resample(downmix, x,

           &tonal->inmem[tonal->mem_fill], tonal->downmix_state,

           IMIN(len, ANALYSIS_BUF_SIZE-tonal->mem_fill), offset, c1, c2, C, tonal->Fs);