patch 8.2.4283: using a variable for the return value is not needed

Problem:    Using a variable for the return value is not needed.
Solution:   Return the value directly. (closes #9687)

src/ex_docmd.c

@@ -7358,7 +7358,8 @@ changedir_func(
 {
     char_u	*pdir = NULL;
     int		dir_differs;
-    int		retval = FALSE;
+    char_u	*acmd_fname;
+    char_u	**pp;
 
     if (new_dir == NULL || allbuf_locked())
 	return FALSE;
@@ -7415,11 +7416,8 @@ changedir_func(
     {
 	emsg(_(e_command_failed));
 	vim_free(pdir);
+	return FALSE;
     }
-    else
-    {
-	char_u  *acmd_fname;
-	char_u	**pp;
 
     if (scope == CDSCOPE_WINDOW)
 	pp = &curwin->w_prevdir;
@@ -7443,10 +7441,7 @@ changedir_func(
 	apply_autocmds(EVENT_DIRCHANGED, acmd_fname, new_dir, FALSE,
 							    curbuf);
     }
-	retval = TRUE;
+    return TRUE;
-    }
-
-    return retval;
 }
 
 /*

src/misc2.c

@@ -1903,7 +1903,6 @@ vim_chdirfile(char_u *fname, char *trigger_autocmd)
 {
     char_u	old_dir[MAXPATHL];
     char_u	new_dir[MAXPATHL];
-    int		res;
 
     if (mch_dirname(old_dir, MAXPATHL) != OK)
 	*old_dir = NUL;
@@ -1913,16 +1912,15 @@ vim_chdirfile(char_u *fname, char *trigger_autocmd)
 
     if (pathcmp((char *)old_dir, (char *)new_dir, -1) == 0)
 	// nothing to do
-	res = OK;
+	return OK;
-    else
-    {
-	res = mch_chdir((char *)new_dir) == 0 ? OK : FAIL;
 
-	if (res == OK && trigger_autocmd != NULL)
+    if (mch_chdir((char *)new_dir) != 0)
+	return FAIL;
+
+    if (trigger_autocmd != NULL)
 	apply_autocmds(EVENT_DIRCHANGED, (char_u *)trigger_autocmd,
 						       new_dir, FALSE, curbuf);
-    }
+    return OK;
-    return res;
 }
 #endif
 

src/version.c

@@ -746,6 +746,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4283,
 /**/
     4282,
 /**/