fix: minor cleanup

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
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    status: passed
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    status: passed
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---

Author: Lokeshranjan8

lib/node_modules/@stdlib/stats/base/dists/frechet/pdf/README.md

@@ -140,8 +140,8 @@ var randu = require( '@stdlib/random/base/randu' );
 var pdf = require( '@stdlib/stats/base/dists/frechet/pdf' );
 
 var alpha;
-var s;
 var m;
+var s;
 var x;
 var y;
 var i;