- require compress (ncompress package) on openSUSE; it's not

- improved latest changelog entry (better explnation)

OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/libXpm?expand=0&rev=25

libXpm.spec

@@ -51,9 +51,12 @@ storing/retrieving X pixmaps to/from files.
 Summary:        X Pixmap image file format library
 Group:          System/Libraries
 # Invokes 'gzip' and 'uncompress' at runtime.
-# 'compress' is not available on SLE and unlikely used.
 Requires:       /usr/bin/gzip
 Requires:       /usr/bin/uncompress
+# 'compress' (ncompress package) is not available on SLE
+%if 0%{?is_opensuse}
+Requires:       /usr/bin/compress
+%endif
 
 %description -n %{lname}
 libXpm facilitates working with XPM (X PixMap), a format for