[Ada] Sync whitespace between variants of Indefinite_Holders unit

[Pierre-Marie de Rodat via Gcc-patches]

Remove insignificant whitespace diffs between atomic and non-atomic
variants of Ada.Containers.Indefinite_Holders. This will simplify review
and modification of both variants in the future.

Tested on x86_64-pc-linux-gnu, committed on trunk

gcc/ada/

        * libgnat/a-coinho.ads: Sync whitespace with
        a-coinho__shared.ads.
        * libgnat/a-coinho__shared.ads: Sync whitespace with
        a-coinho.ads.
diff --git a/gcc/ada/libgnat/a-coinho.ads b/gcc/ada/libgnat/a-coinho.ads
--- a/gcc/ada/libgnat/a-coinho.ads
+++ b/gcc/ada/libgnat/a-coinho.ads
@@ -127,8 +127,7 @@ private
    overriding procedure Adjust (Container : in out Holder);
    overriding procedure Finalize (Container : in out Holder);
 
-   type Reference_Control_Type is new Controlled with
-   record
+   type Reference_Control_Type is new Controlled with record
       Container : Holder_Access;
    end record;
 


diff --git a/gcc/ada/libgnat/a-coinho__shared.ads b/gcc/ada/libgnat/a-coinho__shared.ads
--- a/gcc/ada/libgnat/a-coinho__shared.ads
+++ b/gcc/ada/libgnat/a-coinho__shared.ads
@@ -69,6 +69,7 @@ package Ada.Containers.Indefinite_Holders is
    procedure Query_Element
      (Container : Holder;
       Process   : not null access procedure (Element : Element_Type));
+
    procedure Update_Element
      (Container : in out Holder;
       Process   : not null access procedure (Element : in out Element_Type));
@@ -105,6 +106,7 @@ private
    use Ada.Streams;
 
    type Element_Access is access all Element_Type;
+
    type Holder_Access is access all Holder;
 
    type Shared_Holder is record