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examples/aubiomfcc.c: simplify process_print

--- a/examples/aubiomfcc.c

+++ b/examples/aubiomfcc.c

@@ -60,18 +60,11 @@

 }

 static void process_print (void) {

-      /* output times in seconds

-         write extracted mfccs

-      */

-      

-      uint_t coef_cnt;

-      if (sink_uri == NULL) {

-        outmsg("%f\t",frames*overlap_size/(float)samplerate);

-        for (coef_cnt = 0; coef_cnt < n_coefs; coef_cnt++) {

-            outmsg("%f ", fvec_read_sample (mfcc_out, coef_cnt) );

-        }

-        outmsg("\n");

-      }

+  /* output times in seconds and extracted mfccs */

+  if (sink_uri == NULL) {

+    outmsg("%f\t",frames*overlap_size/(float)samplerate);

+    fvec_print(mfcc_out);

+  }

 }

 int main(int argc, char **argv) {