doveadm: Code cleanup - add and use DOVEADM_PRINT_TYPE_PAGER macro

src/doveadm/doveadm-mail-fetch.c

@@ -663,7 +663,7 @@ static struct doveadm_mail_cmd_context *cmd_fetch_alloc(void)
 	ctx = doveadm_mail_cmd_alloc(struct fetch_cmd_context);
 	ctx->ctx.v.init = cmd_fetch_init;
 	ctx->ctx.v.run = cmd_fetch_run;
-	doveadm_print_init("pager");
+	doveadm_print_init(DOVEADM_PRINT_TYPE_PAGER);
 	return &ctx->ctx;
 }
 

src/doveadm/doveadm-master.c

@@ -158,7 +158,7 @@ static void cmd_service_status(struct doveadm_cmd_context *cctx)
 
 	struct istream *input = master_service_send_cmd("SERVICE-STATUS");
 
-	doveadm_print_init("pager");
+	doveadm_print_init(DOVEADM_PRINT_TYPE_PAGER);
 	doveadm_print_header_simple("name");
 	doveadm_print_header_simple("process_count");
 	doveadm_print_header_simple("process_avail");

src/doveadm/doveadm-print-pager.c

@@ -102,7 +102,7 @@ static void doveadm_print_pager_deinit(void)
 }
 
 struct doveadm_print_vfuncs doveadm_print_pager_vfuncs = {
-	"pager",
+	DOVEADM_PRINT_TYPE_PAGER,
 
 	doveadm_print_pager_init,
 	doveadm_print_pager_deinit,

src/doveadm/doveadm-print.h

@@ -3,6 +3,7 @@
 
 #define DOVEADM_PRINT_TYPE_TAB "tab"
 #define DOVEADM_PRINT_TYPE_FLOW "flow"
+#define DOVEADM_PRINT_TYPE_PAGER "pager"
 #define DOVEADM_PRINT_TYPE_TABLE "table"
 #define DOVEADM_PRINT_TYPE_SERVER "server"
 #define DOVEADM_PRINT_TYPE_JSON "json"