exec: remove trailing space on buffers with free content when line numbers are not displayed

ChangeLog.adoc

@@ -17,6 +17,7 @@ Bug fixes::
 
   * core: fix reset to initial scroll position after search of text in buffer (issue #2093)
   * core: add missing mouse events "alt-ctrl-button2" and "alt-ctrl-button3"
+  * exec: remove trailing space on buffers with free content when line numbers are not displayed
   * exec: add missing exec tags in lines of buffers with free content (issue #2086)
   * irc: add missing tags on self action messages when capability echo-message is enabled (issue #2074)
   * python: fix truncation of unsigned long long integer returned by function string_parse_size

src/plugins/exec/exec.c

@@ -353,7 +353,7 @@ exec_display_line (struct t_exec_cmd *exec_cmd, struct t_gui_buffer *buffer,
             weechat_printf_y_date_tags (
                 buffer, -1, 0, str_tags,
                 "%s%s",
-                (exec_cmd->line_numbers) ? str_number : " ",
+                (exec_cmd->line_numbers) ? str_number : "",
                 line_color);
         }
         else