[gnome-terminal] encodings: Fix double const warning

[Christian Persch <chpe src gnome org>]

commit 735ebb6b170e397e8eaf6c018a429bcf18bcaa95
Author: Igor Zakharov <f2404 yandex ru>
Date:   Mon Jul 16 20:15:05 2018 +0200

    encodings: Fix double const warning
    
    Introduced by gcc8.
    
    https://gitlab.gnome.org/GNOME/gnome-terminal/issues/13

 src/terminal-encoding.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/terminal-encoding.c b/src/terminal-encoding.c
index 77c4be1e..31c064d8 100644
--- a/src/terminal-encoding.c
+++ b/src/terminal-encoding.c
@@ -62,7 +62,7 @@ typedef struct {
 } EncodingEntry;
 
 /* These MUST be sorted by charset so that bsearch can work! */
-static const EncodingEntry const encodings[] = {
+static const EncodingEntry encodings[] = {
   { "ARMSCII-8",      N_("Armenian"),            GROUP_OBSOLETE },
   { "BIG5",           N_("Chinese Traditional"), GROUP_CJKV },
   { "BIG5-HKSCS",     N_("Chinese Traditional"), GROUP_CJKV },