[Ada] Fix length of title underlines.

gcc/ada/

	* doc/gnat_rm/the_gnat_library.rst: Fix length of title
	underlines.

diff --git a/gcc/ada/doc/gnat_rm/the_gnat_library.rst b/gcc/ada/doc/gnat_rm/the_gnat_library.rst
index a682f01c1acf9c4e2836e90d8c63d3ed76102329..524e3e053eaf46eeab517db455476e46cf32eb6a 100644 (file)
--- a/gcc/ada/doc/gnat_rm/the_gnat_library.rst
+++ b/gcc/ada/doc/gnat_rm/the_gnat_library.rst
@@ -278,7 +278,7 @@ The specification of this unit is compatible with SPARK 2014.
 .. _`Ada.Containers.Functional_Vectors_(a-cofuve.ads)`:
 
 ``Ada.Containers.Functional_Vectors`` (:file:`a-cofuve.ads`)
-=================================================================
+============================================================
 
 .. index:: Ada.Containers.Functional_Vectors (a-cofuve.ads)
 
@@ -300,7 +300,7 @@ specification of this unit is compatible with SPARK 2014.
 .. _`Ada.Containers.Functional_Sets_(a-cofuse.ads)`:
 
 ``Ada.Containers.Functional_Sets`` (:file:`a-cofuse.ads`)
-=================================================================
+=========================================================
 
 .. index:: Ada.Containers.Functional_Sets (a-cofuse.ads)
 
@@ -321,7 +321,7 @@ The specification of this unit is compatible with SPARK 2014.
 .. _`Ada.Containers.Functional_Maps_(a-cofuma.ads)`:
 
 ``Ada.Containers.Functional_Maps`` (:file:`a-cofuma.ads`)
-=================================================================
+=========================================================
 
 .. index:: Ada.Containers.Functional_Maps (a-cofuma.ads)