skipcpio: limit the local var scope

skipcpio/skipcpio.c

@@ -40,7 +40,6 @@ int main(int argc, char **argv)
 {
         FILE *f;
         size_t s;
-        long pos = 0;
 
         if (argc != 2) {
                 fprintf(stderr, "Usage: %s <file>\n", argv[0]);
@@ -65,6 +64,7 @@ int main(int argc, char **argv)
         /* check, if this is a cpio archive */
         if ((buf[0] == 0x71 && buf[1] == 0xc7)
             || (buf[0] == '0' && buf[1] == '7' && buf[2] == '0' && buf[3] == '7' && buf[4] == '0' && buf[5] == '1')) {
+                long pos = 0;
 
                 /* Search for CPIO_END */
                 do {