usr/gen_init_cpio.c: remove unnecessary -1 values from int file

The file variable is assigned first, it does not need to be initialized.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Li zeming <[email protected]>
Cc: Li zeming <[email protected]>
Cc: Masahiro Yamada <[email protected]>
Cc: Nicolas Schier <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: Li zeming

usr/gen_init_cpio.c

@@ -326,7 +326,7 @@ static int cpio_mkfile(const char *name, const char *location,
 	char s[256];
 	struct stat buf;
 	unsigned long size;
-	int file = -1;
+	int file;
 	int retval;
 	int rc = -1;
 	int namesize;