sched/: Fix some spacing issues

sched/environ/env_clearenv.c

@@ -74,7 +74,7 @@
 
 int clearenv(void)
 {
-  FAR struct tcb_s *tcb = (FAR struct tcb_s*)g_readytorun.head;
+  FAR struct tcb_s *tcb = (FAR struct tcb_s *)g_readytorun.head;
   DEBUGASSERT(tcb->group);
 
   env_release(tcb->group);

sched/environ/env_dup.c

@@ -81,7 +81,7 @@
 
 int env_dup(FAR struct task_group_s *group)
 {
-  FAR struct tcb_s *ptcb = (FAR struct tcb_s*)g_readytorun.head;
+  FAR struct tcb_s *ptcb = (FAR struct tcb_s *)g_readytorun.head;
   FAR char *envp = NULL;
   size_t envlen;
   int ret = OK;

sched/environ/env_findvar.c

@@ -67,7 +67,7 @@ static bool env_cmpname(const char *pszname, const char *peqname)
 
   /* On sucess, pszname will end with '\0' and peqname with '=' */
 
-  if ( *pszname == '\0' && *peqname == '=' )
+  if (*pszname == '\0' && *peqname == '=')
     {
       return true;
     }

sched/environ/env_getenv.c

@@ -94,12 +94,12 @@ FAR char *getenv(const char *name)
   /* Get a reference to the thread-private environ in the TCB. */
 
   sched_lock();
-  rtcb = (FAR struct tcb_s*)g_readytorun.head;
+  rtcb = (FAR struct tcb_s *)g_readytorun.head;
   group = rtcb->group;
 
   /* Check if the variable exists */
 
-  if ( !group || (pvar = env_findvar(group, name)) == NULL)
+  if (!group || (pvar = env_findvar(group, name)) == NULL)
     {
       ret = ENOENT;
       goto errout_with_lock;
@@ -130,4 +130,3 @@ errout:
 }
 
 #endif /* CONFIG_DISABLE_ENVIRON */
-

sched/environ/env_getenvironptr.c

@@ -71,7 +71,7 @@
  *
  ****************************************************************************/
 
-FAR char **get_environ_ptr( void )
+FAR char **get_environ_ptr(void)
 {
 #if 1
 
@@ -85,7 +85,7 @@ FAR char **get_environ_ptr( void )
 
   /* Return a reference to the thread-private environ in the TCB. */
 
-  FAR struct tcb_s *ptcb = (FAR struct tcb_s*)g_readytorun.head;
+  FAR struct tcb_s *ptcb = (FAR struct tcb_s *)g_readytorun.head;
   if (ptcb->envp)
     {
       return &ptcb->envp->ev_env;

sched/environ/env_putenv.c

@@ -100,7 +100,7 @@ int putenv(FAR const char *string)
       goto errout;
     }
 
-  pequal = strchr( pname, '=');
+  pequal = strchr(pname, '=');
   if (pequal)
     {
       /* Then let setenv do all of the work */

sched/environ/env_setenv.c

@@ -124,7 +124,7 @@ int setenv(FAR const char *name, FAR const char *value, int overwrite)
   /* Get a reference to the thread-private environ in the TCB. */
 
   sched_lock();
-  rtcb  = (FAR struct tcb_s*)g_readytorun.head;
+  rtcb  = (FAR struct tcb_s *)g_readytorun.head;
   group = rtcb->group;
   DEBUGASSERT(group);
 

sched/environ/env_unsetenv.c

@@ -77,7 +77,7 @@
 
 int unsetenv(FAR const char *name)
 {
-  FAR struct tcb_s *rtcb = (FAR struct tcb_s*)g_readytorun.head;
+  FAR struct tcb_s *rtcb = (FAR struct tcb_s *)g_readytorun.head;
   FAR struct task_group_s *group = rtcb->group;
   FAR char *pvar;
   FAR char *newenvp;