[COMMITTED 17/38] ada: Fix error message for pragma First_Controlling_Parameter

[Marc Poulhiès]

From: Raphaël AMIARD <ami...@adacore.com>

gcc/ada/ChangeLog:

        * sem_prag.adb (Analyze_Pragma): Fix format for second line of
        warning (should be a continuation line)

Tested on x86_64-pc-linux-gnu, committed on master.

---
 gcc/ada/sem_prag.adb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/ada/sem_prag.adb b/gcc/ada/sem_prag.adb
index 00df728e950..9a3e7acf34f 100644
--- a/gcc/ada/sem_prag.adb
+++ b/gcc/ada/sem_prag.adb
@@ -17906,7 +17906,7 @@ package body Sem_Prag is
                   Error_Msg_N
                     ("?_j?'First_'Controlling_'Parameter has no effect", N);
                   Error_Msg_NE
-                    ("?_j?because & does not implement interface types",
+                    ("\?_j?because & does not implement interface types",
                      N, E);
                end if;
 
-- 
2.43.0