classes/lib: Convert to use python3 octal syntax

The syntax for octal values changed in python3, adapt to it.

(From OE-Core rev: 737a095fcde773a36e0fee1f27b74aaa88062386)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oe/patch.py

@@ -434,7 +434,7 @@ class GitApplyTree(PatchTree):
             # change other places which read it back
             f.write('echo >> $1\n')
             f.write('echo "%s: $PATCHFILE" >> $1\n' % GitApplyTree.patch_line_prefix)
-        os.chmod(commithook, 0755)
+        os.chmod(commithook, 0o755)
         shutil.copy2(commithook, applyhook)
         try:
             patchfilevar = 'PATCHFILE="%s"' % os.path.basename(patch['file'])
@@ -672,7 +672,7 @@ class UserResolver(Resolver):
                 f.write("echo 'Run \"quilt refresh\" when patch is corrected, press CTRL+D to exit.'\n")
                 f.write("echo ''\n")
                 f.write(" ".join(patchcmd) + "\n")
-            os.chmod(rcfile, 0775)
+            os.chmod(rcfile, 0o775)
 
             self.terminal("bash --rcfile " + rcfile, 'Patch Rejects: Please fix patch rejects manually', self.patchset.d)