Fix identation in validation.hpp file to 4 spaces

Author: kolbryt

homework/password-check/validation.hpp

@@ -2,12 +2,12 @@
 #include <string>
 
 enum class ErrorCode {
-   Ok,
-   PasswordNeedsAtLeastNineCharacters,
-   PasswordNeedsAtLeastOneNumber,
-   PasswordNeedsAtLeastOneSpecialCharacter,
-   PasswordNeedsAtLeastOneUppercaseLetter,
-   PasswordsDoNotMatch
+    Ok,
+    PasswordNeedsAtLeastNineCharacters,
+    PasswordNeedsAtLeastOneNumber,
+    PasswordNeedsAtLeastOneSpecialCharacter,
+    PasswordNeedsAtLeastOneUppercaseLetter,
+    PasswordsDoNotMatch
 };
 
 std::string getErrorMessage(const ErrorCode errorCode);