Fix geneation of MD5 on Unicode bug

"Geneate MD5 fom text dialog" has geneated wrong result on non ANSI
character (Unicode text).  This bug is due to wong input data.

Fixes #2743

PowerEditor/src/MISC/md5/md5Dlgs.cpp

@@ -124,11 +124,13 @@ void MD5FromTextDlg::generateMD5()
 	int len = static_cast<int>(::SendMessage(::GetDlgItem(_hSelf, IDC_MD5_TEXT_EDIT), WM_GETTEXTLENGTH, 0, 0));
 	if (len)
 	{
-		char *text = new char[len + 1];
-		::GetDlgItemTextA(_hSelf, IDC_MD5_TEXT_EDIT, text, len + 1);
+		wchar_t *text = new wchar_t[len + 1];
+		::GetDlgItemText(_hSelf, IDC_MD5_TEXT_EDIT, text, len + 1);
+		WcharMbcsConvertor *wmc = WcharMbcsConvertor::getInstance();
+		const char *newText = wmc->wchar2char(text, SC_CP_UTF8);
 
 		MD5 md5;
-		char* md5Result = md5.digestString(text);
+		char* md5Result = md5.digestString(newText);
 		::SetDlgItemTextA(_hSelf, IDC_MD5_RESULT_FOMTEXT_EDIT, md5Result);
 
 		delete[] text;
@@ -144,13 +146,14 @@ void MD5FromTextDlg::generateMD5PerLine()
 	int len = static_cast<int>(::SendMessage(::GetDlgItem(_hSelf, IDC_MD5_TEXT_EDIT), WM_GETTEXTLENGTH, 0, 0));
 	if (len)
 	{
-		char *text = new char[len + 1];
-		::GetDlgItemTextA(_hSelf, IDC_MD5_TEXT_EDIT, text, len + 1);
+		wchar_t *text = new wchar_t[len + 1];
+		::GetDlgItemText(_hSelf, IDC_MD5_TEXT_EDIT, text, len + 1);
 
-		std::stringstream ss(text);
-		std::string aLine;
+		std::wstringstream ss(text);
+		std::wstring aLine;
 		std::string result;
 		MD5 md5;
+		WcharMbcsConvertor *wmc = WcharMbcsConvertor::getInstance();
 		while (std::getline(ss, aLine))
 		{
 			// getline() detect only '\n' but not "\r\n" under windows
@@ -162,7 +165,8 @@ void MD5FromTextDlg::generateMD5PerLine()
 				result += "\r\n";
 			else
 			{
-				char* md5Result = md5.digestString(const_cast<char *>(aLine.c_str()));
+				const char *newText = wmc->wchar2char(aLine.c_str(), SC_CP_UTF8);
+				char* md5Result = md5.digestString(newText);
 				result += md5Result;
 				result += "\r\n";
 			}