Replace i2f(0) by the actual thing done, gcc is not an optimizing compiler.

a little over 1kb smaller .o

Originally committed as revision 13792 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/g726.c

@@ -272,11 +272,11 @@ static av_cold int g726_reset(G726Context* c, int index)
 
     c->tbls = &G726Tables_pool[index];
     for (i=0; i<2; i++) {
-        i2f(0, &c->sr[i]);
+        c->sr[i].mant = 1<<5;
         c->pk[i] = 1;
     }
     for (i=0; i<6; i++) {
-        i2f(0, &c->dq[i]);
+        c->dq[i].mant = 1<<5;
     }
     c->yu = 544;
     c->yl = 34816;