[gnome-commander/ConvertWarningsToErrors] src/ls_colors.cc: fix for -Wwrite-strings

[Uwe Scholz <uwescholz src gnome org>]

commit 37c96f5cb9d78f24f5e09148496973f9d9c3be19
Author: Mamoru TASAKA <mtasaka fedoraproject org>
Date:   Tue Apr 25 14:35:47 2017 +0900

    src/ls_colors.cc: fix for -Wwrite-strings
    
    src/ls_colors.cc:33:24: error: ISO C++ forbids converting a string constant to 'gchar* {aka char*}' 
[-Werror=write-strings]
    
    Add const correctly.

 src/ls_colors.cc |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/ls_colors.cc b/src/ls_colors.cc
index 32c3c5e..8abd107 100644
--- a/src/ls_colors.cc
+++ b/src/ls_colors.cc
@@ -165,7 +165,7 @@ static LsColor *create_color (gchar *ls_color)
 }
 
 
-static void init (gchar *ls_colors)
+static void init (const gchar *ls_colors)
 {
     gchar **ents = g_strsplit (ls_colors, ":", 0);
 
@@ -191,7 +191,7 @@ static void init (gchar *ls_colors)
 
 void ls_colors_init ()
 {
-    gchar *s = getenv ("LS_COLORS");
+    const gchar *s = getenv ("LS_COLORS");
     if (!s)
         s = DEFAULT_COLORS;