Bump windows version.

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2edc51b84ae9069f8138ea3f02cc67b7ad7cd0cc..3970f05c71d56edd3126165efc75119e23880c37 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -70,7 +70,7 @@ include (CheckCXXCompilerFlag)
 
 if (WIN32)
     # http://msdn.microsoft.com/en-us/library/aa383745.aspx
-    add_definitions (-D_WIN32_WINNT=0x0501 -DWINVER=0x0501)
+    add_definitions (-D_WIN32_WINNT=0x0601 -DWINVER=0x0601)
 else (WIN32)
     CHECK_CXX_COMPILER_FLAG("-fvisibility=hidden" CXX_COMPILER_FLAG_VISIBILITY)
     if (CXX_COMPILER_FLAG_VISIBILITY)