rename config macro QCBOR_CONFIG_DISABLE_EXP_AND_MANTISSA 

Co-authored-by: Laurence Lundblade <lgl@securitytheory.com>
diff --git a/test/qcbor_decode_tests.h b/test/qcbor_decode_tests.h
index c2a4165..53f6bd2 100644
--- a/test/qcbor_decode_tests.h
+++ b/test/qcbor_decode_tests.h
@@ -1,6 +1,6 @@
 /*==============================================================================
  Copyright (c) 2016-2018, The Linux Foundation.
- Copyright (c) 2018-2020, Laurence Lundblade.
+ Copyright (c) 2018-2021, Laurence Lundblade.
  All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -247,7 +247,7 @@
 int32_t SetUpAllocatorTest(void);
 
 
-#ifndef QCBOR_CONFIG_DISABLE_EXP_AND_MANTISSA
+#ifndef QCBOR_DISABLE_EXP_AND_MANTISSA
 /*
  Test decoding of decimal fractions and big floats, both of which are
  made up of an exponent and mantissa.
@@ -259,7 +259,7 @@
  Hostile input tests for decimal fractions and big floats.
  */
 int32_t ExponentAndMantissaDecodeFailTests(void);
-#endif /* QCBOR_CONFIG_DISABLE_EXP_AND_MANTISSA */
+#endif /* QCBOR_DISABLE_EXP_AND_MANTISSA */
 
 
 int32_t EnterMapTest(void);