style: add whitespace

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

Author: kgryte

lib/node_modules/@stdlib/blas/ext/base/ndarray/gjoin/examples/index.js

@@ -34,7 +34,7 @@ console.log( ndarray2array( x ) );
 var separator = scalar2ndarray( ',', {
 	'dtype': 'generic'
 });
-console.log( 'Separator:', ndarraylike2scalar( separator ) );
+console.log( 'Separator: ', ndarraylike2scalar( separator ) );
 
 var out = gjoin( [ x, separator ] );
 console.log( out );