Require gcc, drop groups

nettle.spec

@@ -9,17 +9,17 @@ Version:        3.4
 Release:        3%{?dist}
 Summary:        A low-level cryptographic library
 
-Group:          Development/Libraries
 License:        LGPLv3+ or GPLv2+
 URL:            http://www.lysator.liu.se/~nisse/nettle/
 Source0:	%{name}-%{version}-hobbled.tar.xz
 #Source0:        http://www.lysator.liu.se/~nisse/archive/%{name}-%{version}.tar.gz
 Patch0:		nettle-3.3-remove-ecc-testsuite.patch
 
+BuildRequires:  gcc
 BuildRequires:  gmp-devel, m4
 BuildRequires:	libtool, automake, autoconf, gettext-devel
 %if %{with fips}
-BuildRequires: fipscheck
+BuildRequires:  fipscheck
 %endif
 
 Requires(post): info
@@ -28,7 +28,6 @@ Requires(preun): info
 
 %package devel
 Summary:        Development headers for a low-level cryptographic library
-Group:          Development/Libraries
 Requires:       %{name} = %{version}-%{release}
 Requires:       gmp-devel%{?_isa}