lib/oe/reproducible: correctly set .git location when recursively looking for git repos

(From OE-Core rev: ffdaa1a0527691d66dd28e86bd015bfad7a020f6)

Signed-off-by: Alexander Kanavin <alex@linutronix.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oe/reproducible.py

@@ -92,7 +92,7 @@ def find_git_folder(d, sourcedir):
     for root, dirs, files in os.walk(workdir, topdown=True):
         dirs[:] = [d for d in dirs if d not in exclude]
         if '.git' in dirs:
-            return root
+            return os.path.join(root, ".git")
 
     bb.warn("Failed to find a git repository in WORKDIR: %s" % workdir)
     return None