WMA: extend exponent range to 95

Hopefully this will be enough.  Fixes issue 1565 (again).

Originally committed as revision 20598 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/wmadec.c

@@ -240,7 +240,7 @@ static void decode_exp_lsp(WMACodecContext *s, int ch)
                      s->block_len, lsp_coefs);
 }
 
-/** pow(10, i / 16.0) for i in -60..75 */
+/** pow(10, i / 16.0) for i in -60..95 */
 static const float pow_tab[] = {
     1.7782794100389e-04, 2.0535250264571e-04,
     2.3713737056617e-04, 2.7384196342644e-04,
@@ -310,6 +310,16 @@ static const float pow_tab[] = {
     2.3713737056617e+04, 2.7384196342644e+04,
     3.1622776601684e+04, 3.6517412725484e+04,
     4.2169650342858e+04, 4.8696752516586e+04,
+    5.6234132519035e+04, 6.4938163157621e+04,
+    7.4989420933246e+04, 8.6596432336007e+04,
+    1.0000000000000e+05, 1.1547819846895e+05,
+    1.3335214321633e+05, 1.5399265260595e+05,
+    1.7782794100389e+05, 2.0535250264571e+05,
+    2.3713737056617e+05, 2.7384196342644e+05,
+    3.1622776601684e+05, 3.6517412725484e+05,
+    4.2169650342858e+05, 4.8696752516586e+05,
+    5.6234132519035e+05, 6.4938163157621e+05,
+    7.4989420933246e+05, 8.6596432336007e+05,
 };
 
 /**