P libXfixes (RB#11912)

https://bugzilla.rosalinux.ru/show_bug.cgi?id=11912

+ remove no more needed obsoletes

libxfixes.spec

@@ -5,7 +5,7 @@
 Summary:	X Fixes Library
 Name:		libxfixes
 Version:	6.0.0
-Release:	2
+Release:	3
 License:	MIT
 Group:		System/Libraries
 Url:		http://xorg.freedesktop.org
@@ -22,7 +22,10 @@ BuildRequires:	x11-util-macros >= 1.0.1
 %package -n %{libname}
 Summary:	X Fixes  Library
 Group:		System/Libraries
-Provides:	%{name} = %{version}
+Provides:	%{name} = %{EVRD}
+# compat with Fedora/RH
+Provides:	libXfixes%{_isa} = %{EVRD}
+Provides:	libXfixes = %{EVRD}
 
 %description -n %{libname}
 %{name} is a simple library designed to interface the X Fixes Extension.
@@ -37,8 +40,6 @@ Summary:	Development files for %{name}
 Group:		Development/X11
 Requires:	%{libname} = %{EVRD}
 Provides:	libxfixes-devel = %{EVRD}
-Obsoletes:	%{_lib}xfixes3-devel < 6.0
-Obsoletes:	%{_lib}xfixes-static-devel < 6.0
 
 %description -n %{devname}
 Development files for %{name}