Fix option menu keys getting stuck down.

The adaption to use SDL_TEXTINPUT means that the number keys
are being "pressed" twice, so they don't get released properly.

Stop them from being "pressed" twice by only recognizing
option menu key down inside an option menu.

src/mudclient.c

@@ -487,16 +487,18 @@ void mudclient_key_pressed(mudclient *mud, int code, int char_code) {
     } else {
         if (code == K_TAB) {
             mud->key_tab = 1;
-        } else if (code == K_1) {
-            mud->key_1 = 1;
-        } else if (code == K_2) {
-            mud->key_2 = 1;
-        } else if (code == K_3) {
-            mud->key_3 = 1;
-        } else if (code == K_4) {
-            mud->key_4 = 1;
-        } else if (code == K_5) {
-            mud->key_5 = 1;
+        } else if (mud->show_option_menu && mud->options->option_numbers) {
+            if (code == K_1) {
+                mud->key_1 = 1;
+            } else if (code == K_2) {
+                mud->key_2 = 1;
+            } else if (code == K_3) {
+                mud->key_3 = 1;
+            } else if (code == K_4) {
+                mud->key_4 = 1;
+            } else if (code == K_5) {
+                mud->key_5 = 1;
+            }
         }
 
         mudclient_handle_key_press(mud, char_code);