minor appveyor test script fix

diff --git a/appveyor.yml b/appveyor.yml
index 9a3d533847c8589e80c95a84e7d619e5e8176b78..87fa5c12de2cabfee95cd5995d4a6f1b283ce5a1 100644 (file)
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -263,6 +263,6 @@
   test_script:
   - ECHO Testing %COMPILER% %PLATFORM% %CONFIGURATION%
   - if [%HOST%]==[mingw] (
-      SET CC=%COMPILER%
+      set "CC=%COMPILER%" &&
       make check
     )