Fix early expansion in Packit test for openssl on Windows (#84)

Author: Max13245

packages/openssl/test.bat

@@ -1,9 +1,9 @@
 echo I hashed the previous version of this script, unfortunately the hash was my only backup. Whoops! > test.txt
 
 REM This hash does not match the hash on Unix, due to line ending differences
-set "expected_output=SHA2-256(stdin)= a6a6ac959ebea1f5ec010438e2ccec6fbc73f1cc53797a02ae6cbf3cd9477e9a"
+set "expected_output=a6a6ac959ebea1f5ec010438e2ccec6fbc73f1cc53797a02ae6cbf3cd9477e9a"
 
-for /f "usebackq delims=" %%A in (`"%PACKIT_PACKAGE_PATH%\bin\openssl.exe" sha256 -hex ^< test.txt`) do set "output=%%A"
+for /f "tokens=2 usebackq" %%A in (`"%PACKIT_PACKAGE_PATH%\bin\openssl.exe" sha256 -hex ^< test.txt`) do set "output=%%A"
 if ERRORLEVEL 1 (
     echo Test failed: openssl command exited with code %ERRORLEVEL%
     exit /b 1