More fixes for the Windows GN build.

chrome/installer/mini_installer/BUILD.gn

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/compiler/compiler.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/config/win/visual_studio_version.gni")
 import("//build_overrides/v8.gni")
 import("//chrome/test/mini_installer/mini_installer_test.gni")
@@ skipping 35 matching lines @@
   # invalidate the build and trigger running the test on the bots even when
   # no other Chrome files have changed. These have to be inputs rather than a
   # dependency because a dependency won't actually trigger recompiles in
   # incremental build cases unless a source file actually references one of the
   # dependency outputs.
   inputs = mini_installer_test_files
 }
 
 process_version("version") {
   template_file = "mini_installer_exe_version.rc.version"
-  output = "$target_gen_dir/mini_installer_version.rc"
+  output = "$root_out_dir/mini_installer_exe_version.rc"
 }
 
 source_set("unit_tests") {
   testonly = true
 
   sources = [
     "configuration_test.cc",
     "decompress_test.cc",
     "mini_string_test.cc",
   ]
@@ skipping 219 matching lines @@
     args = [
       "--out",
       "$target_name.exe",
     ]
     deps = [
       ":mini_installer",
       "//chrome/installer/test:alternate_version_generator",
     ]
   }
 }