appveyor: check -DUNICODE -D_UNICODE according to ReleaseChecklist (cmake only)

Link: https://github.com/libevent/libevent/wiki/ReleaseChecklist

diff --git a/appveyor.yml b/appveyor.yml
index 735625d58d935a908ff643b137069b3c31434959..6b04354b396a82e5e249bc656aa90a265a7e4e42 100644 (file)
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -31,6 +31,8 @@ environment:
       EVENT_CMAKE_OPTIONS: "-DEVENT__DISABLE_MM_REPLACEMENT=ON"
     - EVENT_BUILD_METHOD: "cmake"
       EVENT_CMAKE_OPTIONS: "-DEVENT__ENABLE_VERBOSE_DEBUG=ON"
+    - EVENT_BUILD_METHOD: "cmake"
+      EVENT_CMAKE_OPTIONS: "-DCMAKE_C_FLAGS='-DUNICODE -D_UNICODE'"
 init:
   - 'echo Building libevent %version% for Windows'
   - 'echo System architecture: %PLATFORM%'