Rename pow variable to pwr.

Patch by Axel Holzinger <aholzinger gmx de>.

Originally committed as revision 24508 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/wmavoice.c

@@ -582,14 +582,14 @@ static void calc_input_response(WMAVoiceContext *s, float *lpcs,
                                                           (5.0 / 14.7));
     angle_mul = gain_mul * (8.0 * M_LN10 / M_PI);
     for (n = 0; n <= 64; n++) {
-        float pow;
+        float pwr;
 
         idx = FFMAX(0, lrint((max - lpcs[n]) * irange) - 1);
-        pow = wmavoice_denoise_power_table[s->denoise_strength][idx];
-        lpcs[n] = angle_mul * pow;
+        pwr = wmavoice_denoise_power_table[s->denoise_strength][idx];
+        lpcs[n] = angle_mul * pwr;
 
         /* 70.57 =~ 1/log10(1.0331663) */
-        idx = (pow * gain_mul - 0.0295) * 70.570526123;
+        idx = (pwr * gain_mul - 0.0295) * 70.570526123;
         if (idx > 127) { // fallback if index falls outside table range
             coeffs[n] = wmavoice_energy_table[127] *
                         powf(1.0331663, idx - 127);