fixed type speical -> special (#3052)

store/sql_post_store.go

@@ -629,7 +629,7 @@ func (s SqlPostStore) Search(teamId string, userId string, params *model.SearchP
 			}
 		}
 
-		// these chars have speical meaning and can be treated as spaces
+		// these chars have special meaning and can be treated as spaces
 		for _, c := range specialSearchChar {
 			terms = strings.Replace(terms, c, " ", -1)
 		}

store/sql_store.go

@@ -101,7 +101,7 @@ func NewSqlStore() Store {
 		}
 	}
 
-	// This is a speical case for upgrading the schema to the 3.0 user model
+	// This is a special case for upgrading the schema to the 3.0 user model
 	// ADDED for 3.0 REMOVE for 3.4
 	if sqlStore.SchemaVersion == "2.2.0" ||
 		sqlStore.SchemaVersion == "2.1.0" ||
@@ -183,7 +183,7 @@ func NewSqlStore() Store {
 }
 
 // ADDED for 3.0 REMOVE for 3.4
-// This is a speical case for upgrading the schema to the 3.0 user model
+// This is a special case for upgrading the schema to the 3.0 user model
 func NewSqlStoreForUpgrade30() *SqlStore {
 	sqlStore := initConnection()