Windows vulnerability fix: CryptAcquireContext vulnerability fix. Add checks to random generator to abort in case of error and display a diagnose message to the user.

src/Common/Tcdefs.h

@@ -301,7 +301,9 @@ enum
 	ERR_SYS_HIDVOL_HEAD_REENC_MODE_WRONG	= 31,
 	ERR_NONSYS_INPLACE_ENC_INCOMPLETE		= 32,
 	ERR_USER_ABORT							= 33,
-	ERR_UNSUPPORTED_TRUECRYPT_FORMAT		= 34
+	ERR_UNSUPPORTED_TRUECRYPT_FORMAT		= 34,
+	ERR_RAND_INIT_FAILED					= 35,
+	ERR_CAPI_INIT_FAILED					= 36
 };
 
 #endif 	// #ifndef TCDEFS_H