Tweak the spec file

This removes the obsolete Group tag, and replaces tabs by spaces.

libev.spec

@@ -5,7 +5,6 @@ Name:		libev
 Summary:          High-performance event loop/event model with lots of features
 Version:          4.11
 Release:          1%{?dist}
-Group:		System Environment/Libraries
 License:          BSD or GPLv2+
 URL:              http://software.schmorp.de/pkg/libev.html
 Source0:          http://dist.schmorp.de/libev/Attic/%{name}-%{version}.tar.gz
@@ -54,9 +53,11 @@ automake
 %configure --disable-static --with-pic --includedir=%{_includedir}/%{name}
 make %{?_smp_mflags}
 
+
 %check
 make check
 
+
 %install
 make install DESTDIR=%{buildroot} INSTALL="install -p"
 
@@ -68,9 +69,11 @@ mkdir -p %{inst_srcdir}
 find . -type f | grep -E '.*\.(c|h|am|ac|inc|m4|h.in|pc.in|man.pre|pl|txt)$' | xargs tar cf - | (cd %{inst_srcdir} && tar xf -)
 install -p -m 0644 Changes ev.pod LICENSE README %{inst_srcdir}
 
+
 %post -p /sbin/ldconfig
 %postun -p /sbin/ldconfig
 
+
 %files
 %doc Changes LICENSE README
 %{_libdir}/%{name}.so.4