bench: fix declarations

Signed-off-by: Athan <kgryte@gmail.com>

Author: kgryte

lib/node_modules/@stdlib/stats/strided/distances/dminkowski/benchmark/c/benchmark.length.c

@@ -173,13 +173,6 @@ static double benchmark2( int iterations, int len, double p ) {
 * Main execution sequence.
 */
 int main( void ) {
-	double elapsed;
-	int count;
-	int iter;
-	int len;
-	int i;
-	int j;
-	int p;
 	const double powers[ 4 ] = { 1.0, 2.0, 10.0, INFINITY };
 	double elapsed;
 	int count;
@@ -188,27 +181,6 @@ int main( void ) {
 	int i;
 	int j;
 	int p;
-	double elapsed;
-	int count;
-	int iter;
-	int len;
-	int i;
-	int j;
-	int p;
-	double elapsed;
-	int count;
-	int iter;
-	int len;
-	int i;
-	int j;
-	int p;
-	double elapsed;
-	int count;
-	int iter;
-	int len;
-	int i;
-	int j;
-	int p;
 
 	// Use the current time to seed the random number generator:
 	srand( time( NULL ) );