cfg: use designated initializer

anything not explicitly initialized will be implicitly initialized to
zero. this makes things more robust since comments are not checked by
the compiler and can be incorrect.

src/nnn.c

@@ -314,7 +314,6 @@ typedef struct {
 
 /*
  * Settings
- * NOTE: update default values if changing order
  */
 typedef struct {
 	uint_t filtermode : 1;  /* Set to enter filter mode */
@@ -399,33 +398,10 @@ typedef struct {
 
 /* Configuration, contexts */
 static settings cfg = {
-	0, /* filtermode */
-	0, /* timeorder */
-	0, /* sizeorder */
-	0, /* apparentsz */
-	0, /* blkorder */
-	0, /* extnorder */
-	0, /* showhidden */
-	0, /* reserved0 */
-	0, /* showdetail */
-	1, /* ctxactive */
-	0, /* reverse */
-	0, /* version */
-	0, /* reserved1 */
-	0, /* curctx */
-	0, /* prefersel */
-	0, /* fileinfo */
-	0, /* nonavopen */
-	1, /* autoenter */
-	0, /* reserved2 */
-	0, /* useeditor */
-	0, /* reserved3 */
-	0, /* regex */
-	0, /* x11 */
-	2, /* timetype (T_MOD) */
-	0, /* cliopener */
-	0, /* waitedit */
-	1, /* rollover */
+	.ctxactive = 1,
+	.autoenter = 1,
+	.timetype = 2, /* T_MOD */
+	.rollover = 1,
 };
 
 static context g_ctx[CTX_MAX] __attribute__ ((aligned));