Index: head/lib/libstand/dosfs.c
===================================================================
--- head/lib/libstand/dosfs.c
+++ head/lib/libstand/dosfs.c
@@ -439,7 +439,7 @@
     u_char fn[261];
     DOS_DIR dd;
     size_t res;
-    u_int chk, i, x, xdn;
+    u_int chk, x, xdn;
     int err;
 
     x = chk = 0;
@@ -598,7 +598,7 @@
     u_char lfn[261];
     u_char sfn[13];
     u_int nsec, lsec, xdn, chk, sec, ent, x;
-    int err, ok, i;
+    int err, ok;
 
     if (!clus)
         for (ent = 0; ent < 2; ent++)
@@ -774,11 +774,11 @@
     int err = 0;
 
     if (fat.unit != dd->d_unit) {
-	/* fat cache was changed to another device, dont use it */
+	/* fat cache was changed to another device, don't use it */
 	err = ioread(fs, secbyt(fs->lsnfat) + fatoff(fs->fatsz, *c), buf,
 	    fs->fatsz != 32 ? 2 : 4);
 	if (err)
-	    return err;
+	    return (err);
     } else {
 	offset = fatoff(fs->fatsz, *c);
 	nbyte = fs->fatsz != 32 ? 2 : 4;