Specify full path of hip libraries in link file.

Change-Id: I49b788f3489e7abff6b11006ff97fdfca4e5942c
(cherry picked from commit 4869bf5a7c)

packaging/hip_hcc.postinst

@@ -19,7 +19,7 @@ mkdir -p $ROCMLIBDIR/cmake
 pushd $ROCMLIBDIR
 for f in $HIPLIBFILES
 do
-    ln -s $f $(basename $f)
+    ln -s $HIPLIBDIR/$f $(basename $f)
 done
 # Make the hip cmake directory link.
 pushd cmake