ensure failing tests on windows fail the build

`%ERRORLEVEL%` in an if-condition is expanded too early

`SetLocal EnableDelayedExpansion` + `!ERRORLEVEL!` works in principle,
but changes which folder the if-condition is actually executed in,
so it's simpler to use `||`.

Author: h-vetinari

recipe/bld.bat

@@ -79,8 +79,7 @@ if "%cuda_compiler_version%"=="None" (
     npm install -g azurite
     set ARROW_TEST_DATA=%SRC_DIR%\testing\data
     set PARQUET_TEST_DATA=%SRC_DIR%\cpp\submodules\parquet-testing\data
-    ctest --progress --output-on-failure
-    if %ERRORLEVEL% neq 0 exit 1
+    ctest --progress --output-on-failure || exit 1
 )
 
 popd