fix: revert to int main as required by compiler

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---

Author: Planeshifter

lib/node_modules/@stdlib/stats/base/dists/weibull/quantile/README.md

@@ -228,7 +228,7 @@ static double random_uniform( const double min, const double max ) {
     return min + ( v*(max-min) );
 }
 
-void main( void ) {
+int main( void ) {
     double p;
     double k;
     double lambda;
@@ -242,6 +242,7 @@ void main( void ) {
         y = stdlib_base_dists_weibull_quantile( p, k, lambda );
         printf( "p: %lf, k: %lf, lambda: %lf, Q(p;k,lambda): %lf\n", p, k, lambda, y );
     }
+    return 0;
 }
 ```
 

lib/node_modules/@stdlib/stats/base/dists/weibull/quantile/examples/c/example.c

@@ -25,7 +25,7 @@ static double random_uniform( const double min, const double max ) {
 	return min + ( v * ( max - min ) );
 }
 
-void main( void ) {
+int main( void ) {
 	double p;
 	double k;
 	double lambda;
@@ -39,4 +39,5 @@ void main( void ) {
 		y = stdlib_base_dists_weibull_quantile( p, k, lambda );
 		printf( "p: %lf, k: %lf, lambda: %lf, Q(p;k,lambda): %lf\n", p, k, lambda, y );
 	}
+	return 0;
 }