utils: don't overwrite builtin dir() function

(Bitbake rev: 6dc863f714beda6ca7ff8cd3e830a9bc8a39123d)

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

bitbake/lib/bb/utils.py

@@ -629,13 +629,13 @@ def prune_suffix(var, suffixes, d):
             return var.replace(suffix, "")
     return var
 
-def mkdirhier(dir):
+def mkdirhier(directory):
     """Create a directory like 'mkdir -p', but does not complain if
     directory already exists like os.makedirs
     """
 
     try:
-        os.makedirs(dir)
+        os.makedirs(directory)
     except OSError as e:
         if e.errno != errno.EEXIST:
             raise e