fix: Update generic_client.go: resolve the -include-path parameter does not support the PB IDL type.

[xuanskyer]

Resolve the -include-path parameter does not support the PB IDL type.

What type of PR is this?

fix: A bug fix

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(Optional) Which issue(s) this PR fixes:

Fixes #18

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[xuanskyer]

@Zzhiter @HeyJavaBean pls help review this PR, tks!