silence a few warnings

src/lib/ecore_drm/ecore_drm_evdev.c

@@ -291,7 +291,7 @@ static void
 _device_notify_key(Ecore_Drm_Evdev *dev, struct input_event *event, unsigned int timestamp)
 {
    unsigned int code, nsyms;
-   unsigned int *keycode;
+   /* unsigned int *keycode; */
    const xkb_keysym_t *syms;
    xkb_keysym_t sym = XKB_KEY_NoSymbol;
    char key[256], keyname[256], compose[256];

src/lib/evas/filters/evas_filter_parser.c

@@ -1593,6 +1593,7 @@ _lua_parameter_parse(lua_State *L, Instruction_Param *param, int i)
       case VT_BOOL:
         if (lua_type(L, i) == LUA_TSTRING)
           {
+             ok = EINA_FALSE;
              const char *str = lua_tostring(L, i);
              Eina_Bool val = _bool_parse(str, &ok);
              if (!ok) goto fail;

src/modules/ecore_imf/ibus/ibus_imcontext.c

@@ -756,7 +756,7 @@ _ecore_imf_context_ibus_update_preedit_text_cb(IBusInputContext  *ibuscontext EI
           }
 
         // Add underline for all characters which don't have attribute.
-        for (unsigned int pos = 0; pos < preedit_length; ++pos)
+        for (pos = 0; pos < preedit_length; ++pos)
           {
              if (!attrs_flag[pos])
                {

src/modules/evas/engines/gl_x11/evas_engine.c

@@ -2072,7 +2072,7 @@ _native_bind_cb(void *data, void *image)
       GLERR(__FUNCTION__, __FILE__, __LINE__, "");
     }
    return;
-   data = NULL;
+   (void *) (data = NULL);
 }
 
 static void
@@ -2106,7 +2106,7 @@ _native_unbind_cb(void *data, void *image)
       GLERR(__FUNCTION__, __FILE__, __LINE__, "");
     }
    return;
-   data = NULL;
+   (void *) (data = NULL);
 }
 
 static void

src/modules/evas/engines/gl_x11/evas_x_main.c

@@ -412,7 +412,7 @@ eng_window_new(Display *disp,
    evas_gl_common_context_resize(gw->gl_context, w, h, rot);
    gw->surf = 1;
    return gw;
-   indirect = 0;
+   (void) (indirect = 0);
 }
 
 void

src/modules/evas/engines/wayland_egl/evas_engine.c

@@ -1679,6 +1679,8 @@ eng_image_size_set(void *data, void *image, int w, int h)
       case EVAS_COLORSPACE_YCBCR420TM12601_PL:
          w &= ~0x1;
          break;
+      default:
+         break;
      }
 
    evas_gl_common_image_alloc_ensure(im);