Bug#1090337: dpkg: Adding GNUMAKEFLAGS to allowed environment variables

[Santiago Vila]

Yes, sorry, I forgot. I'm attaching the patch now.

Thanks a lot.
diff --git a/scripts/Dpkg/BuildInfo.pm b/scripts/Dpkg/BuildInfo.pm
index e52533c30..8a39d459f 100644
--- a/scripts/Dpkg/BuildInfo.pm
+++ b/scripts/Dpkg/BuildInfo.pm
@@ -90,6 +90,7 @@ my @env_allowed = (
         LDFLAGS_FOR_BUILD
         ARFLAGS
         MAKEFLAGS
+        GNUMAKEFLAGS
     ),
     # Dynamic linker, see ld(1).
     qw(