Merge "zipalign: clarify the help for -p slightly."

        "  <align>: alignment in bytes, e.g. '4' provides 32-bit alignment\n");

    fprintf(stderr, "  -c: check alignment only (does not modify file)\n");

    fprintf(stderr, "  -f: overwrite existing outfile.zip\n");

    fprintf(stderr, "  -p: memory page alignment for stored shared object files\n");

    fprintf(stderr, "  -p: page-align uncompressed .so files\n");

    fprintf(stderr, "  -v: verbose output\n");

    fprintf(stderr, "  -z: recompress using Zopfli\n");

}