[COMMITTED] Update libgomp docs to reflect Fortran support for non-rectangular loops

[Sandra Loosemore]

I've checked in this one-liner to note that OpenMP support for 
non-rectangular loops is now complete in the feature checklist.  Thanks 
to Tobias for pointing me at this.

-Sandracommit 2d8752c5923e2ed4dc33b95038fed82b46526feb
Author: Sandra Loosemore <san...@codesourcery.com>
Date:   Thu May 5 14:45:29 2022 -0700
    libgomp: Update docs to reflect Fortran support for non-rectangular loops
    
    libgomp/
    	* libgomp.texi (OpenMP 5.0): Feature is now fully supported.

diff --git a/libgomp/libgomp.texi b/libgomp/libgomp.texi
index 38e0337..414cc50 100644
--- a/libgomp/libgomp.texi
+++ b/libgomp/libgomp.texi
@@ -190,7 +190,7 @@ The OpenMP 4.5 specification is fully supported.
       @tab Only fulfillable requirement are @code{atomic_default_mem_order}
       and @code{dynamic_allocators}
 @item @code{teams} construct outside an enclosing target region @tab Y @tab
-@item Non-rectangular loop nests @tab P @tab Only C/C++
+@item Non-rectangular loop nests @tab Y @tab
 @item @code{!=} as relational-op in canonical loop form for C/C++ @tab Y @tab
 @item @code{nonmonotonic} as default loop schedule modifier for worksharing-loop
       constructs @tab Y @tab