Fix msvc fuzzer test runtime

diff --git a/appveyor.yml b/appveyor.yml
index 26ad31002a64b20d360b9a98b3976e01b49d4818..7ffc2c2b01c35470b8c0739cdb96bf0bc021da24 100644 (file)
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -143,7 +143,7 @@
       make -C contrib\pzstd clean
     )
   - if [%HOST%]==[visual] if [%CONFIGURATION%]==[Release] (
-      SET FUZZERTEST=-T1mn &&
+      SET "FUZZERTEST=-T1mn" &&
       CD tests &&
       SET ZSTD=./zstd.exe &&
       sh -e playTests.sh --test-large-data &&