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-rw-r--r--lib/tmpdir.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/tmpdir.rb b/lib/tmpdir.rb
index 2e82aa528e..bcd66ab424 100644
--- a/lib/tmpdir.rb
+++ b/lib/tmpdir.rb
@@ -14,7 +14,7 @@ class Dir
require 'Win32API'
CSIDL_LOCAL_APPDATA = 0x001c
max_pathlen = 260
- windir = ' '*(max_pathlen+1)
+ windir = "\0"*(max_pathlen+1)
begin
getdir = Win32API.new('shell32', 'SHGetFolderPath', 'LLLLP', 'L')
raise RuntimeError if getdir.call(0, CSIDL_LOCAL_APPDATA, 0, 0, windir) != 0