Remove more set, but unused variables in the ilbc codec

GCC 4.6.3 caught these in dev mode as well.
........

Merged revisions 351816 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@351817 65c4cc65-6c06-0410-ace0-fbb531ad65f3

codecs/ilbc/LPCencode.c

@@ -224,7 +224,6 @@
    ){
        float lsf[LPC_FILTERORDER * LPC_N_MAX];
        float lsfdeq[LPC_FILTERORDER * LPC_N_MAX];
-       int change=0;
 
        SimpleAnalysis(lsf, data, iLBCenc_inst);
        SimplelsfQ(lsfdeq, lsf_index, lsf, iLBCenc_inst->lpc_n);
@@ -233,7 +232,6 @@
 
 
 
-       change=LSF_check(lsfdeq, LPC_FILTERORDER, iLBCenc_inst->lpc_n);
        SimpleInterpolateLSF(syntdenum, weightdenum,
            lsf, lsfdeq, iLBCenc_inst->lsfold,
            iLBCenc_inst->lsfdeqold, LPC_FILTERORDER, iLBCenc_inst);

codecs/ilbc/iLBC_decode.c

@@ -339,7 +339,6 @@
        int lag, ilag;
        float cc, maxcc;
        int idxVec[STATE_LEN];
-       int check;
        int gain_index[NASUB_MAX*CB_NSTAGES],
            extra_gain_index[CB_NSTAGES];
        int cb_index[CB_NSTAGES*NASUB_MAX], extra_cb_index[CB_NSTAGES];
@@ -500,8 +499,6 @@
                /* decode the lsf */
 
                SimplelsfDEQ(lsfdeq, lsf_i, iLBCdec_inst->lpc_n);
-               check=LSF_check(lsfdeq, LPC_FILTERORDER,
-                   iLBCdec_inst->lpc_n);
                DecoderInterpolateLSF(syntdenum, weightdenum,
                    lsfdeq, LPC_FILTERORDER, iLBCdec_inst);