IO not appropriate in the context of a sorting routine, and in any case the
proper headers are not included, so gcc emits an undefined symbol error.
Remove the "printf" statement.

--- CombBLAS_beta_16_2/usort/include/usort/seqUtils.tcc
+++ CombBLAS_beta_16_2/usort/include/usort/seqUtils.tcc
@@ -142,7 +142,6 @@
       }
         if ( (a[nmax]==a[nmin]) && (ctr==0) )
         {
-          printf("All the numbers are identical, the list is sorted\n");
           return;
         }
 
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<tr><td><span title='2021-05-29 07:26:15 +0200'>2021-05-29</span></td><td><a href='/guix/commit/gnu/packages/patches/mosaicatcher-unbundle-htslib.patch?id=e3cde9aaf8dfef17299987590db11aa1f4df418b'>gnu: Add mosaicatcher.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>