Make texworks build against a newer synctex:
https://github.com/TeXworks/texworks/commit/496cc1785f335f0eb4451005025fe11ae295d3e4

Index: src/TWSynchronizer.h
--- src/TWSynchronizer.h.orig
+++ src/TWSynchronizer.h
@@ -72,7 +72,7 @@ class TWSyncTeXSynchronizer : public TWSynchronizer (p
 
   static int _findCorrespondingPosition(const QString & srcContext, const QString & destContext, const int col, bool & unique);
 
-  SyncTeX::synctex_scanner_t _scanner;
+  SyncTeX::synctex_scanner_p _scanner;
 };
 
 #endif // !defined(TW_SYNCHRONIZER_H)