Fix test failure on Windows

Author: fmeum

src/test/shell/bazel/bazel_rules_test.sh

@@ -608,18 +608,10 @@ EOF
     cat >pkg/rules.bzl <<'EOF'
 _SCRIPT_EXT = ".bat"
 _SCRIPT_CONTENT = """@ECHO OFF
-if NOT "%FIXED_ONLY%" == "fixed" {
-  exit /B 1
-}
-if NOT "%FIXED_AND_INHERITED%" == "inherited" {
-  exit /B 1
-}
-if NOT "%FIXED_AND_INHERITED_BUT_NOT_SET%" == "fixed" {
-  exit /B 1
-}
-if NOT "%INHERITED_ONLY%" == "inherited" {
-  exit /B 1
-}
+if not "%FIXED_ONLY%" == "fixed" exit /B 1
+if not "%FIXED_AND_INHERITED%" == "inherited" exit /B 1
+if not "%FIXED_AND_INHERITED_BUT_NOT_SET%" == "fixed" exit /B 1
+if not "%INHERITED_ONLY%" == "inherited" exit /B 1
 """
 EOF
   else