patch 8.2.4704: using "else" after return or break increases indent

Problem:    Using "else" after return or break increases indent.
Solution:   Remove "else" and reduce indent. (Goc Dundar, closes #10099)
diff --git a/src/option.c b/src/option.c
index 49123aa..f636985 100644
--- a/src/option.c
+++ b/src/option.c
@@ -4384,38 +4384,36 @@
 #endif
 	if (flags & P_STRING)
 	    return set_string_option(opt_idx, string, opt_flags);
-	else
+
+	varp = get_varp_scope(&(options[opt_idx]), opt_flags);
+	if (varp != NULL)	// hidden option is not changed
 	{
-	    varp = get_varp_scope(&(options[opt_idx]), opt_flags);
-	    if (varp != NULL)	// hidden option is not changed
+	    if (number == 0 && string != NULL)
 	    {
-		if (number == 0 && string != NULL)
+		int idx;
+
+		// Either we are given a string or we are setting option
+		// to zero.
+		for (idx = 0; string[idx] == '0'; ++idx)
+		    ;
+		if (string[idx] != NUL || idx == 0)
 		{
-		    int idx;
+		    // There's another character after zeros or the string
+		    // is empty.  In both cases, we are trying to set a
+		    // num option using a string.
+		    semsg(_(e_number_required_after_str_equal_str),
+								 name, string);
+		    return NULL;     // do nothing as we hit an error
 
-		    // Either we are given a string or we are setting option
-		    // to zero.
-		    for (idx = 0; string[idx] == '0'; ++idx)
-			;
-		    if (string[idx] != NUL || idx == 0)
-		    {
-			// There's another character after zeros or the string
-			// is empty.  In both cases, we are trying to set a
-			// num option using a string.
-			semsg(_(e_number_required_after_str_equal_str),
-								name, string);
-			return NULL;     // do nothing as we hit an error
-
-		    }
 		}
-		if (flags & P_NUM)
-		    return set_num_option(opt_idx, varp, number,
-							  NULL, 0, opt_flags);
-		else
-		    return set_bool_option(opt_idx, varp, (int)number,
-								   opt_flags);
 	    }
+	    if (flags & P_NUM)
+		return set_num_option(opt_idx, varp, number,
+							   NULL, 0, opt_flags);
+	    else
+		return set_bool_option(opt_idx, varp, (int)number, opt_flags);
 	}
+
     }
     return NULL;
 }