Do not clobber %ENV in EU::MM test

175046355f07701 introduced an error in the ExtUtils::MakeMaker
prerequisites tests in that it clobbers %ENV instead of just locally
overriding $ENV{PERL_CORE}.

diff --git a/cpan/ExtUtils-MakeMaker/t/prereq.t b/cpan/ExtUtils-MakeMaker/t/prereq.t
index 4a537a5..13e354a 100644 (file)
--- a/cpan/ExtUtils-MakeMaker/t/prereq.t
+++ b/cpan/ExtUtils-MakeMaker/t/prereq.t
@@ -36,7 +36,7 @@ ok( chdir 'Big-Dummy', "chdir'd to Big-Dummy" ) ||
         $warnings .= join '', @_;
     };
     # prerequisite warnings are disbled while building the perl core:
-    local %ENV;
+    local %ENV = %ENV;
     delete $ENV{PERL_CORE};
 
     WriteMakefile(