Fix modperl startup.

User.h and Utils.h should not depend on each other, and instead of name
of default method need to have a function in CUtils, which hashes using
default method (such function is in CUser now)

include/znc/User.h

@@ -33,6 +33,7 @@ public:
 
 	bool ParseConfig(CConfig* Config, CString& sError);
 
+	// TODO refactor this
 	enum eHashType {
 		HASH_NONE,
 		HASH_MD5,
@@ -43,6 +44,7 @@ public:
 
 	// If you change the default hash here and in HASH_DEFAULT,
 	// don't forget CUtils::sDefaultHash!
+	// TODO refactor this
 	static CString SaltedHash(const CString& sPass, const CString& sSalt) {
 		return CUtils::SaltedSHA256Hash(sPass, sSalt);
 	}

include/znc/Utils.h

@@ -45,7 +45,10 @@ public:
 	static void PrintAction(const CString& sMessage);
 	static void PrintStatus(bool bSuccess, const CString& sMessage = "");
 
+#ifndef SWIGPERL
+	// TODO refactor this
 	static const CString sDefaultHash;
+#endif
 
 	static CString GetSaltedHashPass(CString& sSalt);
 	static CString GetSalt();