net: tcp2: Fix the IPv4 endpoint assignment in net_tcp_connect()

[ozhuraki]

Assigning the allocated IPv4 endpoint as struct sockaddr
leads to the memory overwrite, assign the correct structure,
i.e. struct sockaddr_in.

[zephyrbot]

All checks passed.

checkpatch (informational only, not a failure)

-:10: WARNING:LONG_LINE: line over 80 characters
#10: FILE: subsys/net/ip/tcp2.c:1067:
+		conn->dst->sin.sin_addr = ((struct sockaddr_in *)remote_addr)->sin_addr;

- total: 0 errors, 1 warnings, 8 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Your patch has style problems, please review.

NOTE: Ignored message types: AVOID_EXTERNS BRACES CONFIG_EXPERIMENTAL CONST_STRUCT DATE_TIME FILE_PATH_CHANGES MINMAX NETWORKING_BLOCK_COMMENT_STYLE PRINTK_WITHOUT_KERN_LEVEL SPLIT_STRING VOLATILE

NOTE: If any of the errors are false positives, please report
      them to the maintainers.

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[rveerama1]

Thank you.