[PATCH] Move declaration of lang_frame_mismatch_warn to header.

["Christian Biesinger via gdb-patches" <gdb-patches@sourceware.org>]

Also makes it localizable.

gdb/ChangeLog:

2019-10-07  Christian Biesinger  <cbiesinger@google.com>

	* language.c (show_language_command): Pass lang_frame_mismatch_warn
	through _().
	(lang_frame_mismatch_warn): Make const, mark with N_(), and
	move comment...
	* language.h (lang_frame_mismatch_warn): ... here. Also add
	declaration.
	* top.c (lang_frame_mismatch_warn): Remove declaration.
	(check_frame_language_change): Pass lang_frame_mismatch_warn
	through _().
---
 gdb/language.c | 9 ++++-----
 gdb/language.h | 5 +++++
 gdb/top.c      | 4 +---
 3 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/gdb/language.c b/gdb/language.c
index e95084f115..02c448fb1d 100644
--- a/gdb/language.c
+++ b/gdb/language.c
@@ -112,10 +112,9 @@ static const char *language;
 static const char *range;
 static const char *case_sensitive;
 
-/* Warning issued when current_language and the language of the current
-   frame do not match.  */
-char lang_frame_mismatch_warn[] =
-"Warning: the current language does not match this frame.";
+/* See language.h.  */
+const char lang_frame_mismatch_warn[] =
+N_("Warning: the current language does not match this frame.");
 \f
 /* This page contains the functions corresponding to GDB commands
    and their helpers.  */
@@ -147,7 +146,7 @@ show_language_command (struct ui_file *file, int from_tty,
       if (flang != language_unknown
 	  && language_mode == language_mode_manual
 	  && current_language->la_language != flang)
-	printf_filtered ("%s\n", lang_frame_mismatch_warn);
+	printf_filtered ("%s\n", _(lang_frame_mismatch_warn));
     }
 }
 
diff --git a/gdb/language.h b/gdb/language.h
index 0088e5de2d..aa19f8ee9b 100644
--- a/gdb/language.h
+++ b/gdb/language.h
@@ -483,6 +483,11 @@ extern const struct language_defn *current_language;
 
 extern const struct language_defn *expected_language;
 
+/* Warning issued when current_language and the language of the current
+   frame do not match.  */
+
+extern const char lang_frame_mismatch_warn[];
+
 /* language_mode == 
    language_mode_auto:   current_language automatically set upon selection
    of scope (e.g. stack frame)
diff --git a/gdb/top.c b/gdb/top.c
index a1a08e0b99..78355a0315 100644
--- a/gdb/top.c
+++ b/gdb/top.c
@@ -110,8 +110,6 @@ gen_ret_current_ui_field_ptr (struct ui_out *, current_uiout)
 
 int inhibit_gdbinit = 0;
 
-extern char lang_frame_mismatch_warn[];		/* language.c */
-
 /* Flag for whether we want to confirm potentially dangerous
    operations.  Default is yes.  */
 
@@ -492,7 +490,7 @@ check_frame_language_change (void)
 	  && flang != language_unknown
 	  && flang != current_language->la_language)
 	{
-	  printf_filtered ("%s\n", lang_frame_mismatch_warn);
+	  printf_filtered ("%s\n", _(lang_frame_mismatch_warn));
 	  warned = 1;
 	}
     }
-- 
2.23.0.581.g78d2f28ef7-goog