Display the path of the selected file in the CL

For convenience only, display the path in the terminal of the file clicked by the user. 
At least this helps me remembering which variable holds the file path

demo/common/file_browser.c

@@ -468,6 +468,7 @@ file_browser_run(struct file_browser *browser, struct nk_context *ctx)
                                 strncpy(browser->file, browser->directory, MAX_PATH_LEN);
                                 n = strlen(browser->file);
                                 strncpy(browser->file + n, browser->files[fileIndex], MAX_PATH_LEN - n);
+                                puts(browser->file);                                
                                 ret = 1;
                             }
                         }