Add BuildRequires: make

https://fedoraproject.org/wiki/Changes/Remove_make_from_BuildRoot

Signed-off-by: Tom Stellard <tstellar@redhat.com>

trousers.spec

@@ -13,6 +13,7 @@ Patch2: trousers-0.3.14-unlock-in-err-path.patch
 Patch3: trousers-0.3.14-fix-indent-obj_policy.patch
 Patch4: trousers-0.3.14-fix-indent-tspi_key.patch
 
+BuildRequires: make
 BuildRequires: libtool openssl-devel gettext-devel autoconf automake
 BuildRequires: systemd
 Requires(pre): shadow-utils