fix typo in non VS build

Author: zdenop

src/ccutil/fileio.cpp

@@ -87,7 +87,7 @@ std::string File::JoinPath(const std::string& prefix, const std::string& suffix)
 
 bool File::Delete(const char* pathname) {
 #if !defined(_WIN32) || defined(__MINGW32__)
-  const int status = unlink(pathname)
+  const int status = unlink(pathname);
 #else
   const int status = _unlink(pathname);
 #endif