Bug 5094 - Code cleanup, patch by Zack Middleton and DevHC. Fixes unused-but-set gcc warnings

code/libspeex/vbr.c

@@ -126,7 +126,7 @@ float vbr_analysis(VBRState *vbr, spx_word16_t *sig, int len, int pitch, float p
    int i;
    float ener=0, ener1=0, ener2=0;
    float qual=7;
-   int va;
+   //int va;
    float log_energy;
    float non_st=0;
    float voicing;
@@ -159,7 +159,7 @@ float vbr_analysis(VBRState *vbr, spx_word16_t *sig, int len, int pitch, float p
        || (voicing<0 && non_st < .05))
    {
       float tmp;
-      va = 0;
+      //va = 0;
       vbr->consec_noise++;
       if (pow_ener > 3*vbr->noise_level)
          tmp = 3*vbr->noise_level;
@@ -171,7 +171,7 @@ float vbr_analysis(VBRState *vbr, spx_word16_t *sig, int len, int pitch, float p
          vbr->noise_accum_count = .95*vbr->noise_accum_count + .05;
       }
    } else {
-      va = 1;
+      //va = 1;
       vbr->consec_noise=0;
    }