bitbake/fetch/local: Also check DL_DIR for files since they could already exists there

[BUGID #533]

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

bitbake/lib/bb/fetch/local.py

@@ -49,6 +49,10 @@ class Local(Fetch):
             filespath = data.getVar('FILESPATH', d, 1)
             if filespath:
                 newpath = bb.utils.which(filespath, path)
+            if not newpath:
+                 dlpath = os.path.join(data.getVar('DL_DIR', d, True), path)
+                 if os.exists(dlpath):
+                     newpath = dlpath
             if not newpath:
                 filesdir = data.getVar('FILESDIR', d, 1)
                 if filesdir: