refactor(benchmark): rename variables in ccis native benchmark

---
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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    status: na
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    status: na
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    status: na
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    status: na
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    status: missing_dependencies
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    status: na
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    status: passed
---

Author: ishu-codes

lib/node_modules/@stdlib/math/base/special/ccis/benchmark/c/native/benchmark.c

@@ -92,8 +92,10 @@ static double rand_double( void ) {
 * @return elapsed time in seconds
 */
 static double benchmark( void ) {
-	double re[ 100 ];
-	double im[ 100 ];
+	double are[ 100 ];
+	double aim[ 100 ];
+	double re;
+	double im;
 	double elapsed;
 	double t;
 	int i;
@@ -102,16 +104,16 @@ static double benchmark( void ) {
 	stdlib_complex128_t z2;
 
 	for ( i = 0; i < 100; i++ ) {
-		re[ i ] = ( 1000.0*rand_double() ) - 500.0;
-		im[ i ] = ( 1000.0*rand_double() ) - 500.0;
+		are[ i ] = ( 1000.0*rand_double() ) - 500.0;
+		aim[ i ] = ( 1000.0*rand_double() ) - 500.0;
 	}
 
 	t = tic();
 	for ( i = 0; i < ITERATIONS; i++ ) {
-		z1 = stdlib_complex128( re[ i%100 ], im[ i%100 ] );
+		z1 = stdlib_complex128( are[ i%100 ], aim[ i%100 ] );
 
 		z2 = stdlib_base_ccis( z1 );
-		stdlib_complex128_reim( z2, &re[ i%100 ], &im[ i%100 ] );
+		stdlib_complex128_reim( z2, &re, &im );
 		if ( re != re ) {
 			printf( "should not return NaN\n" );
 			break;