statprof: fix indent level of fp.write() (issue6004)

It was changed at 9d3034348c4f by mistake.

mercurial/statprof.py

@@ -704,7 +704,7 b' def display_hotpath(data, fp, limit=0.05'
             # Make frames that didn't actually perform work dark grey
             elif node.count - childrensamples == 0:
                 finalstring = '\033[90m' + finalstring + '\033[0m'
-                fp.write(finalstring + b'\n')
+            fp.write(finalstring + b'\n')
 
         newdepth = depth
         if len(visiblechildren) > 1 or multiple_siblings: