xcore: turn off doing_mem after each printing each instruction. this fixes a memory corruption reported by @felixgr
diff --git a/arch/XCore/XCoreInstPrinter.c b/arch/XCore/XCoreInstPrinter.c
index efcc51e..6416339 100644
--- a/arch/XCore/XCoreInstPrinter.c
+++ b/arch/XCore/XCoreInstPrinter.c
@@ -257,6 +257,7 @@
 void XCore_printInst(MCInst *MI, SStream *O, void *Info)
 {
 	printInstruction(MI, O, Info);
+	set_mem_access(MI, false, 0);
 }
 
 #endif