test/Frontend/dependency-gen.c: Mark XFAIL: mingw due to PR10331.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134898 91177308-0d34-0410-b5e6-96231b3b80d8

test/Frontend/dependency-gen.c

@@ -1,4 +1,8 @@
 // REQUIRES: shell
+
+// PR10331
+// XFAIL: mingw
+
 // Basic test
 // RUN: rm -rf %t.dir
 // RUN: mkdir -p %t.dir/a/b