chore: fix JavaScript lint errors

PR-URL: #10307
Closes: #10000

Co-authored-by: Philipp Burckhardt <[email protected]>
Reviewed-by: Philipp Burckhardt <[email protected]>
Signed-off-by: Philipp Burckhardt <[email protected]>

Author: Sid-V5

lib/node_modules/@stdlib/_tools/makie/plugins/makie-install-node-addons/lib/main.js

@@ -20,6 +20,7 @@
 
 // MODULES //
 
+var proc = require( 'process' );
 var spawn = require( 'child_process' ).spawn;
 
 
@@ -81,9 +82,9 @@ function stderr( data ) {
 * @param {string} subpath - subdirectory path
 */
 function plugin( dir, cwd, subpath ) {
+	var child;
 	var opts;
 	var args;
-	var proc;
 
 	opts = {};
 	opts.cwd = dir;
@@ -98,11 +99,11 @@ function plugin( dir, cwd, subpath ) {
 	// Target:
 	args.push( 'install-node-addons' );
 
-	proc = spawn( 'make', args, opts );
-	proc.on( 'error', onError );
-	proc.stdout.on( 'data', stdout );
-	proc.stderr.on( 'data', stderr );
-	proc.on( 'close', onFinish );
+	child = spawn( 'make', args, opts );
+	child.on( 'error', onError );
+	child.stdout.on( 'data', stdout );
+	child.stderr.on( 'data', stderr );
+	child.on( 'close', onFinish );
 }