add another missing blank line

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3284 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

src/browser.c

@@ -138,6 +138,7 @@ char *do_browser(char *path, DIR *dir)
 
 		break;
 #endif
+
 	    case NANO_PREVLINE_KEY:
 		if (selected >= width)
 		    selected -= width;