system/settings: remove unnecessary braces, break keywords

Author: Jean THOMAS

system/settings/settings.c

@@ -287,25 +287,16 @@ static int get_int(FAR setting_t *setting, FAR int *i)
   switch (setting->type)
     {
       case SETTING_INT:
-        {
-          *i = setting->val.i;
-        }
+        *i = setting->val.i;
         break;
       case SETTING_BOOL:
-        {
-          *i = !!setting->val.i;
-        }
+        *i = !!setting->val.i;
         break;
       case SETTING_FLOAT:
-        {
-          *i = (int)setting->val.f;
-        }
+        *i = (int)setting->val.f;
         break;
       default:
-        {
-          return -EACCES;
-        }
-        break;
+        return -EACCES;
     }
 
   return OK;
@@ -364,15 +355,10 @@ static int get_bool(FAR setting_t *setting, FAR int *i)
     {
       case SETTING_INT:
       case SETTING_BOOL:
-        {
-          *i = !!setting->val.i;
-        }
+        *i = !!setting->val.i;
         break;
       default:
-        {
-          return -EACCES;
-        }
-        break;
+        return -EACCES;
     }
 
   return OK;
@@ -428,20 +414,13 @@ static int get_float(FAR setting_t *setting, FAR double *f)
   switch (setting->type)
     {
       case SETTING_FLOAT:
-        {
-          *f = setting->val.f;
-        }
+        *f = setting->val.f;
         break;
       case SETTING_INT:
-        {
-          *f = (double)setting->val.i;
-        }
+        *f = (double)setting->val.i;
         break;
       default:
-        {
-          return -EACCES;
-        }
-        break;
+        return -EACCES;
     }
 
   return OK;
@@ -506,14 +485,10 @@ static int get_ip(FAR setting_t *setting, FAR struct in_addr *ip)
         }
         break;
       case SETTING_STRING:
-        {
-          ret = inet_pton(AF_INET, setting->val.s, ip);
-        }
+        ret = inet_pton(AF_INET, setting->val.s, ip);
         break;
       default:
-        {
-          return -EACCES;
-        }
+        return -EACCES;
     }
 
   return ret;