eliminate return statements after calls to error * Cell.cc, __ichol__.cc, __lin_interpn__.cc, __pchip_deriv__.cc, besselj.cc, cellfun.cc, colloc.cc, debug.cc, dlmread.cc, dynamic-ld.cc, filter.cc, find.cc, gl2ps-renderer.cc, load-path.cc, load-save.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-text.cc, luinc.cc, max.cc, nproc.cc, oct-hist.cc, oct-map.cc, oct-obj.cc, oct-stream.cc, ordschur.cc, pinv.cc, pr-output.cc, profiler.cc, psi.cc, quadcc.cc, qz.cc, rand.cc, strfind.cc, strfns.cc, sysdep.cc, toplev.cc, tril.cc, typecast.cc, urlwrite.cc, utils.cc, variables.cc: Eliminate return statements after calls to error.

--- a/libinterp/corefcn/nproc.cc	Tue Dec 08 17:41:32 2015 -0800
+++ b/libinterp/corefcn/nproc.cc	Wed Dec 09 14:00:43 2015 -0500
@@ -70,10 +70,7 @@
       else if (arg == "overridable")
         query = NPROC_CURRENT_OVERRIDABLE;
       else
-        {
-          error ("nproc: invalid value for QUERY");
-          return retval;
-        }
+        error ("nproc: invalid value for QUERY");
     }
 
   retval = num_processors (query);