[PATCH] Fix the i386 build

[Kamil Rytarowski]

Remove old, no longer needed and no longer valid extern.

../../gdb/i386-nbsd-tdep.c:58:12: error: 'i386nbsd_sc_reg_offset' was declared 'extern' and later 'static' [-fpermissive]
   58 | static int i386nbsd_sc_reg_offset[] =
      |            ^~~~~~~~~~~~~~~~~~~~~~
In file included from ../../gdb/i386-nbsd-tdep.c:31:
../../gdb/i386-tdep.h:480:12: note: previous declaration of 'i386nbsd_sc_reg_offset'
  480 | extern int i386nbsd_sc_reg_offset[];
      |            ^~~~~~~~~~~~~~~~~~~~~~

gdb/ChangeLog:

	* i386-tdep.h (i386nbsd_sc_reg_offset): Remove.
---
 gdb/ChangeLog   | 4 ++++
 gdb/i386-tdep.h | 1 -
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 33e5df7b224..8081081b8d0 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2020-10-01  Kamil Rytarowski  <n54@gmx.com>
+
+	* i386-tdep.h (i386nbsd_sc_reg_offset): Remove.
+
 2020-10-01  Kamil Rytarowski  <n54@gmx.com>

 	* i386-bsd-nat.c (_initialize_i386bsd_nat): Update.
diff --git a/gdb/i386-tdep.h b/gdb/i386-tdep.h
index c61ffcfb76e..5ff2eed548a 100644
--- a/gdb/i386-tdep.h
+++ b/gdb/i386-tdep.h
@@ -477,7 +477,6 @@ extern CORE_ADDR i386obsd_sigtramp_start_addr;
 extern CORE_ADDR i386obsd_sigtramp_end_addr;
 extern int i386fbsd4_sc_reg_offset[];
 extern int i386fbsd_sc_reg_offset[];
-extern int i386nbsd_sc_reg_offset[];
 extern int i386obsd_sc_reg_offset[];
 extern int i386bsd_sc_reg_offset[];

--
2.28.0