fs/ntfs3: Remove unused variable cnt in ntfs_security_init()

Clang warns:

fs/ntfs3/fsntfs.c:1874:9: warning: variable 'cnt' set but not used
[-Wunused-but-set-variable]
        size_t cnt, off;
               ^
1 warning generated.

It is indeed unused so remove it.

Fixes: 82cae269 ("fs/ntfs3: Add initialization of super block")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Kari Argillander <kari.argillander@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>

fs/ntfs3/fsntfs.c

@@ -1871,7 +1871,7 @@ int ntfs_security_init(struct ntfs_sb_info *sbi)
 	struct ATTRIB *attr;
 	struct ATTR_LIST_ENTRY *le;
 	u64 sds_size;
-	size_t cnt, off;
+	size_t off;
 	struct NTFS_DE *ne;
 	struct NTFS_DE_SII *sii_e;
 	struct ntfs_fnd *fnd_sii = NULL;
@@ -1946,7 +1946,6 @@ int ntfs_security_init(struct ntfs_sb_info *sbi)
 	sbi->security.next_off =
 		Quad2Align(sds_size - SecurityDescriptorsBlockSize);
 
-	cnt = 0;
 	off = 0;
 	ne = NULL;
 
@@ -1964,8 +1963,6 @@ int ntfs_security_init(struct ntfs_sb_info *sbi)
 		next_id = le32_to_cpu(sii_e->sec_id) + 1;
 		if (next_id >= sbi->security.next_id)
 			sbi->security.next_id = next_id;
-
-		cnt += 1;
 	}
 
 	sbi->security.ni = ni;