Merge branch 'bw/submodule-with-bs-path'

A hotfix to a topic that is already in v2.13.

* bw/submodule-with-bs-path:
t7400: add !CYGWIN prerequisite to 'add with \\ in path'

diff --combined t/t7400-submodule-basic.sh
index 1b8f1dbd3a3d8a59a74888155d36d0d49e94cb64,d0357f1d8abadab286bd476a57039054e1ae940f..dcac364c5fa2a8ff7fe264a21fb9682ec934a874
--- 1/t/t7400-submodule-basic.sh
--- 2/t/t7400-submodule-basic.sh
+++ b/t/t7400-submodule-basic.sh
@@@ -38,14 -38,6 +38,14 @@@ test_expect_success 'submodule update a
        test_i18ngrep "Submodule path .sub. not initialized" actual
  '
  
 +test_expect_success 'submodule update aborts on missing gitmodules url' '
 +      test_when_finished "git update-index --remove sub" &&
 +      git update-index --add --cacheinfo 160000,$(git rev-parse HEAD),sub &&
 +      test_when_finished "rm -f .gitmodules" &&
 +      git config -f .gitmodules submodule.s.path sub &&
 +      test_must_fail git submodule init
 +'
 +
  test_expect_success 'configuration parsing' '
        test_when_finished "rm -f .gitmodules" &&
        cat >.gitmodules <<-\EOF &&
@@@ -281,7 -273,7 +281,7 @@@ test_expect_success 'submodule add wit
        test_cmp empty untracked
  '
  
- test_expect_success 'submodule add with \\ in path' '
+ test_expect_success !CYGWIN 'submodule add with \\ in path' '
        test_when_finished "rm -rf parent sub\\with\\backslash" &&
  
        # Initialize a repo with a backslash in its name