Util

- Minor formatting.

src/util.cpp

@@ -364,7 +364,7 @@ int execute (
     }
   }
   close (pin[1]);   // Close the write end of the input pipe.
-  close (pout[0]);  // Close the read-end of the output pipe.
+  close (pout[0]);  // Close the read end of the output pipe.
 
   int status = -1;
   if (wait (&status) == -1)