Another round of tweaks for spandsp. There should be no functional changes,

although quite a few things have changed in the test suite

libs/spandsp/tests/v22bis_tests.c

@@ -412,7 +412,7 @@ int main(int argc, char *argv[])
 #endif
     if (decode_test_file)
     {
-        if (sf_close(inhandle))
+        if (sf_close_telephony(inhandle))
         {
             fprintf(stderr, "    Cannot close audio file '%s'\n", decode_test_file);
             exit(2);
@@ -420,7 +420,7 @@ int main(int argc, char *argv[])
     }
     if (log_audio)
     {
-        if (sf_close(outhandle) != 0)
+        if (sf_close_telephony(outhandle) != 0)
         {
             fprintf(stderr, "    Cannot close audio file '%s'\n", OUT_FILE_NAME);
             exit(2);