Fix copy-paste error

Author: Planeshifter

lib/node_modules/@stdlib/assert/is-positive-number/docs/types/index.d.ts

@@ -117,9 +117,9 @@ interface IsPositiveNumber {
 * var bool = isPositiveNumber.isObject( 3.0 );
 * // returns false
 */
-declare var isPositiveInteger: IsPositiveNumber;
+declare var isPositiveNumber: IsPositiveNumber;
 
 
 // EXPORTS //
 
-export = isPositiveInteger;
+export = isPositiveNumber;