portability: don't rely on bash or zsh behavior.

This force the command to be run with exec and prevent them
for staying alive after startup or restart.

Signed-off-by: Cedric BAIL <cedric.bail@free.fr>

src/bin/e_init.c

@@ -68,7 +68,7 @@ e_init_show(void)
    else ver = strdup("XvX");
 
    snprintf(buf, sizeof(buf),
-            "%s/enlightenment/utils/enlightenment_init \'%s\' \'%i\' \'%s\' \'%s\'",
+            "exec %s/enlightenment/utils/enlightenment_init \'%s\' \'%i\' \'%s\' \'%s\'",
             e_prefix_lib_get(), theme,
             e_config->font_hinting, tit, ver);
    printf("RUN INIT: %s\n", buf);

src/modules/temperature/e_mod_main.c

@@ -321,7 +321,7 @@ temperature_face_update_config(Config_Face *inst)
 	if (!inst->tempget_exe) 
 	  {
 	     snprintf(buf, sizeof(buf),
-		      "%s/%s/tempget %i \"%s\" %i", 
+		      "exec %s/%s/tempget %i \"%s\" %i", 
 		      e_module_dir_get(temperature_config->module), MODULE_ARCH, 
 		      inst->sensor_type,
 		      (inst->sensor_name ? inst->sensor_name : "(null)"),