adb: fix 64-bit build

strlen returns a size_t, but the * modifier in printf expects an int.
On arm64 size_t != int.

Change-Id: I11e84a7b62c935162abc0aba910d14e63d11efd3

adb/commandline.c

@@ -602,7 +602,7 @@ int adb_sideload_host(const char* fn) {
         }
     }
 
-    printf("\rTotal xfer: %.2fx%*s\n", (double)xfer / (sz ? sz : 1), strlen(fn)+10, "");
+    printf("\rTotal xfer: %.2fx%*s\n", (double)xfer / (sz ? sz : 1), (int)strlen(fn)+10, "");
 
   done:
     if (fd >= 0) adb_close(fd);