Remove redundant checks for g_strdup().

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>

lib/tty/color.c

@@ -236,9 +236,9 @@ tty_color_set_defaults (const char *fgcolor, const char *bgcolor, const char *at
     g_free (tty_color_defaults__bg);
     g_free (tty_color_defaults__attrs);
 
-    tty_color_defaults__fg = (fgcolor != NULL) ? g_strdup (fgcolor) : NULL;
-    tty_color_defaults__bg = (bgcolor != NULL) ? g_strdup (bgcolor) : NULL;
-    tty_color_defaults__attrs = (attrs != NULL) ? g_strdup (attrs) : NULL;
+    tty_color_defaults__fg = g_strdup (fgcolor);
+    tty_color_defaults__bg = g_strdup (bgcolor);
+    tty_color_defaults__attrs = g_strdup (attrs);
 }
 
 /* --------------------------------------------------------------------------------------------- */

lib/vfs/vfs.c

@@ -354,7 +354,7 @@ vfs_translate_path_n (const char *path)
     const char *result;
 
     result = vfs_translate_path (path);
-    return (result != NULL) ? g_strdup (result) : NULL;
+    return g_strdup (result);
 }
 
 /* --------------------------------------------------------------------------------------------- */

src/vfs/extfs/extfs.c

@@ -449,7 +449,7 @@ extfs_open_archive (int fstype, const char *name, struct archive **pparc)
 
     current_archive = g_new (struct archive, 1);
     current_archive->fstype = fstype;
-    current_archive->name = (name != NULL) ? g_strdup (name) : NULL;
+    current_archive->name = g_strdup (name);
     current_archive->local_name = g_strdup (vfs_path_get_last_path_str (local_name_vpath));
 
     if (local_name_vpath != NULL)