Allow a semicolon after a RPC definition

[codecov[bot]]

Codecov Report

Base: 89.04% // Head: 91.51% // Increases project coverage by +2.46% :tada:

Coverage data is based on head (bb6a3a1) compared to base (d4dbff5). Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #228 +/- ## ========================================== + Coverage 89.04% 91.51% +2.46% ========================================== Files 25 25 Lines 2794 2816 +22 ========================================== + Hits 2488 2577 +89 + Misses 306 239 -67 ``` | [Impacted Files](https://codecov.io/gh/JuliaIO/ProtoBuf.jl/pull/228?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaIO) | Coverage Δ | | |---|---|---| | [src/parsing/proto\_types.jl](https://codecov.io/gh/JuliaIO/ProtoBuf.jl/pull/228?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaIO#diff-c3JjL3BhcnNpbmcvcHJvdG9fdHlwZXMuamw=) | `92.73% <100.00%> (+1.45%)` | :arrow_up: | | [src/codec/Codecs.jl](https://codecov.io/gh/JuliaIO/ProtoBuf.jl/pull/228?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaIO#diff-c3JjL2NvZGVjL0NvZGVjcy5qbA==) | `92.59% <0.00%> (+0.28%)` | :arrow_up: | | [src/codegen/toplevel\_definitions.jl](https://codecov.io/gh/JuliaIO/ProtoBuf.jl/pull/228?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaIO#diff-c3JjL2NvZGVnZW4vdG9wbGV2ZWxfZGVmaW5pdGlvbnMuamw=) | `97.90% <0.00%> (+1.39%)` | :arrow_up: | | [src/ProtoBuf.jl](https://codecov.io/gh/JuliaIO/ProtoBuf.jl/pull/228?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaIO#diff-c3JjL1Byb3RvQnVmLmps) | `68.42% <0.00%> (+1.75%)` | :arrow_up: | | [src/codegen/types.jl](https://codecov.io/gh/JuliaIO/ProtoBuf.jl/pull/228?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaIO#diff-c3JjL2NvZGVnZW4vdHlwZXMuamw=) | `100.00% <0.00%> (+2.06%)` | :arrow_up: | | [src/lexing/Lexers.jl](https://codecov.io/gh/JuliaIO/ProtoBuf.jl/pull/228?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaIO#diff-c3JjL2xleGluZy9MZXhlcnMuamw=) | `89.43% <0.00%> (+2.47%)` | :arrow_up: | | [src/codegen/utils.jl](https://codecov.io/gh/JuliaIO/ProtoBuf.jl/pull/228?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaIO#diff-c3JjL2NvZGVnZW4vdXRpbHMuamw=) | `78.94% <0.00%> (+3.15%)` | :arrow_up: | | [src/parsing/utils.jl](https://codecov.io/gh/JuliaIO/ProtoBuf.jl/pull/228?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaIO#diff-c3JjL3BhcnNpbmcvdXRpbHMuamw=) | `84.12% <0.00%> (+3.17%)` | :arrow_up: | | [src/codegen/modules.jl](https://codecov.io/gh/JuliaIO/ProtoBuf.jl/pull/228?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaIO#diff-c3JjL2NvZGVnZW4vbW9kdWxlcy5qbA==) | `91.12% <0.00%> (+3.55%)` | :arrow_up: | | ... and [5 more](https://codecov.io/gh/JuliaIO/ProtoBuf.jl/pull/228?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaIO) | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaIO). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaIO)

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