Fix crash regression due to ABI incompatibility

Fix the regression due to the following commit:
3e9413d615
Modify type of "PositionCR" to "int64_t" from "long" again, to keep ABI compatible to plugins.

Ref: https://github.com/notepad-plus-plus/notepad-plus-plus/pull/12327#issuecomment-1297906305

scintilla/include/Sci_Position.h

@@ -18,7 +18,7 @@ typedef ptrdiff_t Sci_Position;
 typedef size_t Sci_PositionU;
 
 // For Sci_CharacterRange  which is defined as long to be compatible with Win32 CHARRANGE
-typedef long Sci_PositionCR;
+typedef intptr_t Sci_PositionCR;
 
 #ifdef _WIN32
 	#define SCI_METHOD __stdcall

scintilla/include/ScintillaStructures.h

@@ -12,7 +12,7 @@
 
 namespace Scintilla {
 
-using PositionCR = long;
+using PositionCR = intptr_t;
 
 struct CharacterRange {
 	PositionCR cpMin;