Enforce symlink creation for Xinerama et al. library symlinks.

debian/changelog

@@ -11,6 +11,7 @@ nx-libs (2:3.5.0.33-0x2go1) UNRELEASED; urgency=low
   * debian/libxinerama1.postinst.in:
     + Revert 5a9f829. Make sure libnx-Xinerama1 based Xinerama works
       again with X2Go on Debian based systems. 
+    + Enforce symlink creation for Xinerama et al. library symlinks.
 
  -- X2Go Release Manager <git-admin@x2go.org>  Sat, 04 Jul 2015 06:29:19 +0200
 

debian/libnx-xinerama1.postinst.in

@@ -29,13 +29,13 @@ case "$1" in
 		# Already existent files are not removed.
 		# Users will need to explicitly remove them and (re-) configure this package.
 		if test -e $libdir/libX11.so.6; then
-			ln -s $libdir/libX11.so.6 /usr/lib/nx/X11/Xinerama/libNX_X11.so.6
+			ln -sf $libdir/libX11.so.6 /usr/lib/nx/X11/Xinerama/libNX_X11.so.6
 		fi
 		if test -e $libdir/libXext.so.6; then
-			ln -s $libdir/libXext.so.6 /usr/lib/nx/X11/Xinerama/libNX_Xext.so.6
+			ln -sf $libdir/libXext.so.6 /usr/lib/nx/X11/Xinerama/libNX_Xext.so.6
 		fi
 		if test -e $libdir/libNX_Xinerama.so.1; then
-			ln -s $libdir/libNX_Xinerama.so.1 /usr/lib/nx/X11/Xinerama/libXinerama.so.1
+			ln -sf $libdir/libNX_Xinerama.so.1 /usr/lib/nx/X11/Xinerama/libXinerama.so.1
 		fi
 	;;