patches: reset also patches on VM restart

This should fully fix #851

pcsx2/Patch.cpp

@@ -176,6 +176,12 @@ void inifile_process(wxTextFile &f1 )
     }
 }
 
+void ResetPatchesCount()
+{
+  patchnumber = 0;
+}
+
+
 void ResetCheatsCount()
 {
   cheatnumber = 0;

pcsx2/Patch.h

@@ -57,6 +57,7 @@ namespace PatchFunc
 	PATCHTABLEFUNC cheat;
 }
 
+extern void ResetPatchesCount();
 extern void ResetCheatsCount();
 extern int  LoadCheats(wxString name, const wxDirName& folderName, const wxString& friendlyName);
 extern int  LoadCheatsFromZip(wxString gameCRC, const wxString& cheatsArchiveFilename);

pcsx2/System/SysCoreThread.cpp

@@ -198,6 +198,7 @@ void SysCoreThread::_reset_stuff_as_needed()
 		m_resetVirtualMachine	= false;
 		m_resetVsyncTimers		= false;
 
+		ResetPatchesCount();
 		ResetCheatsCount();
 	}