rename MNEMONIC_SIZE to CS_MNEMONIC_SIZE
diff --git a/cs_priv.h b/cs_priv.h
index c912062..308f0f4 100644
--- a/cs_priv.h
+++ b/cs_priv.h
@@ -40,7 +40,7 @@
 	// ID of instruction to be customized.
 	unsigned int id;
 	// Customized instruction mnemonic.
-	char mnemonic[MNEMONIC_SIZE];
+	char mnemonic[CS_MNEMONIC_SIZE];
 };
 
 struct insn_mnem {