Issue#951: Fixing suffix checks on blank lines.

[jeremiah-c-leary]

Resolves #951 Resolves #959

[codecov[bot]]

Codecov Report

Patch coverage: 88.88% and project coverage change: -0.01 :warning:

Comparison is base (958754c) 95.95% compared to head (023a018) 95.94%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #954 +/- ## ========================================== - Coverage 95.95% 95.94% -0.01% ========================================== Files 1497 1497 Lines 28104 28110 +6 ========================================== + Hits 26967 26970 +3 - Misses 1137 1140 +3 ``` | [Impacted Files](https://app.codecov.io/gh/jeremiah-c-leary/vhdl-style-guide/pull/954?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jeremiah+Leary) | Coverage Δ | | |---|---|---| | [vsg/vhdlFile/extract/tokens.py](https://app.codecov.io/gh/jeremiah-c-leary/vhdl-style-guide/pull/954?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jeremiah+Leary#diff-dnNnL3ZoZGxGaWxlL2V4dHJhY3QvdG9rZW5zLnB5) | `90.32% <80.00%> (-0.91%)` | :arrow_down: | | [vsg/rules/utils.py](https://app.codecov.io/gh/jeremiah-c-leary/vhdl-style-guide/pull/954?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jeremiah+Leary#diff-dnNnL3J1bGVzL3V0aWxzLnB5) | `92.65% <100.00%> (+0.02%)` | :arrow_up: | | [...e/extract/get\_interface\_elements\_between\_tokens.py](https://app.codecov.io/gh/jeremiah-c-leary/vhdl-style-guide/pull/954?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jeremiah+Leary#diff-dnNnL3ZoZGxGaWxlL2V4dHJhY3QvZ2V0X2ludGVyZmFjZV9lbGVtZW50c19iZXR3ZWVuX3Rva2Vucy5weQ==) | `95.12% <100.00%> (-4.88%)` | :arrow_down: |

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