dosfstools: fsck.fat: reduce log spam, no backup boot sector diff in automatic mode

packages/sysutils/dosfstools/patches/dosfstools-01-silence_backup_boot_sector_diff.patch

@@ -0,0 +1,23 @@
+
+Do not print backup boot sector diff in non interactive mode to avoid log spam.
+
+--- a/src/boot.c	2017-01-23 02:16:58.000000000 +0100
++++ a/src/boot.c	2020-02-05 18:32:16.000000000 +0100
+@@ -174,6 +174,9 @@ static void check_backup_boot(DOS_FS * f
+ 	char buf[20];
+ 
+ 	printf("There are differences between boot sector and its backup.\n");
++	if (!interactive)
++	    printf("This is mostly harmless.\n");
++	else {
+ 	printf("This is mostly harmless. Differences: (offset:original/backup)\n  ");
+ 	pos = 2;
+ 	for (p = (uint8_t *) b, q = (uint8_t *) & b2, i = 0; i < sizeof(b2);
+@@ -188,6 +191,7 @@ static void check_backup_boot(DOS_FS * f
+ 		first = 0;
+ 	    }
+ 	}
++	}
+ 	printf("\n");
+ 
+ 	if (interactive)