MAINT-7691 Crash report is not generated/sent if appdata path contains unicode symbols

indra/llcrashlogger/llcrashlogger.cpp

@@ -155,9 +155,9 @@ std::string getStartupStateFromLog(std::string& sllog)
 
 bool LLCrashLogger::readFromXML(LLSD& dest, const std::string& filename )
 {
-    std::string db_file_name = gDirUtilp->getExpandedFilename(LL_PATH_DUMP,filename);
-    std::ifstream log_file(db_file_name.c_str());
-    
+	std::string db_file_name = gDirUtilp->getExpandedFilename(LL_PATH_DUMP,filename);
+	llifstream log_file(db_file_name.c_str());
+
 	// Look for it in the given file
 	if (log_file.is_open())
 	{
@@ -186,7 +186,7 @@ bool LLCrashLogger::readMinidump(std::string minidump_path)
 {
 	size_t length=0;
 
-	std::ifstream minidump_stream(minidump_path.c_str(), std::ios_base::in | std::ios_base::binary);
+	llifstream minidump_stream(minidump_path.c_str(), std::ios_base::in | std::ios_base::binary);
 	if(minidump_stream.is_open())
 	{
 		minidump_stream.seekg(0, std::ios::end);
@@ -287,7 +287,7 @@ void LLCrashLogger::gatherFiles()
         if (!file.empty())
         {
             LL_DEBUGS("CRASHREPORT") << "trying to read " << itr->first << ": " << file << LL_ENDL;
-            std::ifstream f(file.c_str());
+            llifstream f(file.c_str());
             if(f.is_open())
             {
                 std::stringstream s;
@@ -342,7 +342,7 @@ void LLCrashLogger::gatherFiles()
             if ( ( iter->length() > 30 ) && (iter->rfind(".dmp") == (iter->length()-4) ) )
             {
                 std::string fullname = pathname + *iter;
-                std::ifstream fdat( fullname.c_str(), std::ifstream::binary);
+                llifstream fdat(fullname.c_str(), std::ifstream::binary);
                 if (fdat)
                 {
                     char buf[5];