chore: remove trailing space

Author: Planeshifter

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

@@ -237,7 +237,7 @@ int main( void ) {
    double s;
    double m;
    double y;
-   int i; 
+   int i;
 
     for ( i = 0; i < 10; i++ ) {
        alpha = random_uniform( 0.0, 20.0 ) + STDLIB_CONSTANT_FLOAT64_EPS;