Patch to hist for changes in bar

[David Bateman]

As bar can now return the figure handle, hist should be slightly
changes. See the attached patch

D.

Index: scripts/plot/hist.m
===================================================================
RCS file: /usr/local/cvsroot/octave/scripts/plot/hist.m,v
retrieving revision 1.32
diff -u -r1.32 hist.m
--- scripts/plot/hist.m 10 Oct 2006 16:10:28 -0000      1.32
+++ scripts/plot/hist.m 25 Apr 2007 19:00:47 -0000
@@ -118,7 +118,7 @@
     freq = freq / rows (y) * norm;
   endif
 
-  if (nargout > 0)
+  if (nargout > 1)
     if (arg_is_vector)
       nn = freq';
       xx = x';
@@ -127,7 +127,7 @@
       xx = x;
     endif
   else
-    bar (x, freq);
+    nn = bar (x, freq, 1.0);
   endif
 
 endfunction