avoid fortify warnings about going beyond array bounds as the strcmp
assumes name[8] and ext[3] are together

--- src/check.c
+++ src/check.c
@@ -257,7 +257,7 @@
 {
     int i, spc, suspicious = 0;
     char *bad_chars = atari_format ? "*?\\/:" : "*?<>|\"\\/:";
-    unsigned char *name = file->dir_ent.name;
+    unsigned char *name = file->dir_ent.name_ext;
 
     /* Do not complain about (and auto-correct) the extended attribute files
      * of OS/2. */
--- src/dosfsck.h
+++ src/dosfsck.h
@@ -139,7 +139,12 @@
 };
 
 typedef struct {
+    union {
+    struct {
     __u8	name[8],ext[3];	/* name and extension */
+    };
+    __u8	name_ext[11];
+    };
     __u8	attr;		/* attribute bits */
     __u8	lcase;		/* Case for base and extension */
     __u8	ctime_ms;	/* Creation time, milliseconds */