Fixed: getLastSeparator should return std::string::size_type instead of an integer

--HG--
branch : develop

code/nel/include/nel/misc/path.h

@@ -618,7 +618,7 @@ struct CFile
 	 * Return the position between [begin,end[ of the last separator between path and filename ('/' or '\').
 	 * If there's no separator, it returns string::npos.
 	 */
-	static int getLastSeparator (const std::string &filename);
+	static std::string::size_type getLastSeparator (const std::string &filename);
 
 	static std::string getFilenameWithoutExtension (const std::string &filename);
 	static std::string getExtension (const std::string &filename);

code/nel/src/misc/path.cpp

@@ -1854,7 +1854,7 @@ std::string CFileContainer::getTemporaryDirectory()
 //////////////////////////////////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////////////////////////////////
 
-int CFile::getLastSeparator (const string &filename)
+std::string::size_type CFile::getLastSeparator (const string &filename)
 {
 	string::size_type pos = filename.find_last_of ('/');
 	if (pos == string::npos)
@@ -1865,7 +1865,7 @@ int CFile::getLastSeparator (const string &filename)
 			pos = filename.find_last_of ('@');
 		}
 	}
-	return (int)pos;
+	return pos;
 }
 
 string CFile::getFilename (const string &filename)