x86: fix an warning on unintialized vars
diff --git a/arch/X86/X86Disassembler.c b/arch/X86/X86Disassembler.c
index 0a13a6e..598bd78 100644
--- a/arch/X86/X86Disassembler.c
+++ b/arch/X86/X86Disassembler.c
@@ -949,7 +949,7 @@
 		// handle some special cases here.
 		// FIXME: fix this in the next major update.
 		if (*size  == 2) {
-			unsigned char b1, b2;
+			unsigned char b1 = 0, b2 = 0;
 
 			reader(&info, &b1, address);
 			reader(&info, &b2, address + 1);