second try at fixing win64 build

src/common/filetype.c

@@ -92,8 +92,7 @@ static const FileId TypeTable[] = {
 /*****************************************************************************/
 
 
-
-FILETYPE GetFileType (const char* Name)
+FILETYPE GetTypeOfFile (const char* Name)
 /* Determine the type of the given file by looking at the name. If the file
 ** type could not be determined, the function returns FILETYPE_UNKOWN.
 */