[gcc r11-5399] [Ada] Fix casing of "circular instantiation" error

[Pierre-Marie de Rodat]

https://gcc.gnu.org/g:8593037b17ddbdad375954e59838e6f4083f44ba

commit r11-5399-g8593037b17ddbdad375954e59838e6f4083f44ba
Author: Piotr Trojanek <trojanek@adacore.com>
Date:   Mon Oct 19 16:57:01 2020 +0200

    [Ada] Fix casing of "circular instantiation" error
    
    gcc/ada/
    
            * sem_ch12.adb: Fix casing from "Instantiation" to
            "instantiation".

Diff:
---
 gcc/ada/sem_ch12.adb | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/gcc/ada/sem_ch12.adb b/gcc/ada/sem_ch12.adb
index 99a62c40c7a..dfb0765e2b5 100644
--- a/gcc/ada/sem_ch12.adb
+++ b/gcc/ada/sem_ch12.adb
@@ -4306,7 +4306,7 @@ package body Sem_Ch12 is
       elsif Contains_Instance_Of (Gen_Unit, Current_Scope, Gen_Id) then
          Error_Msg_Node_2 := Current_Scope;
          Error_Msg_NE
-           ("circular Instantiation: & instantiated in &!", N, Gen_Unit);
+           ("circular instantiation: & instantiated in &!", N, Gen_Unit);
          Circularity_Detected := True;
          Restore_Env;
          goto Leave;
@@ -5682,7 +5682,7 @@ package body Sem_Ch12 is
          if Contains_Instance_Of (Gen_Unit, Current_Scope, Gen_Id) then
             Error_Msg_Node_2 := Current_Scope;
             Error_Msg_NE
-              ("circular Instantiation: & instantiated in &!", N, Gen_Unit);
+              ("circular instantiation: & instantiated in &!", N, Gen_Unit);
             Circularity_Detected := True;
             Restore_Hidden_Primitives (Vis_Prims_List);
             goto Leave;
@@ -7800,7 +7800,7 @@ package body Sem_Ch12 is
                if Node (Elmt) = Scop then
                   Error_Msg_Node_2 := Inner;
                   Error_Msg_NE
-                    ("circular Instantiation: & instantiated within &!",
+                    ("circular instantiation: & instantiated within &!",
                      N, Scop);
                   return True;
 
@@ -7810,7 +7810,7 @@ package body Sem_Ch12 is
                elsif Contains_Instance_Of (Node (Elmt), Scop, N) then
                   Error_Msg_Node_2 := Inner;
                   Error_Msg_NE
-                    ("circular Instantiation: & instantiated within &!",
+                    ("circular instantiation: & instantiated within &!",
                      N, Node (Elmt));
                   return True;
                end if;