fips_canister.c: pick more neutral macro name.

fips/fips_canister.c

@@ -27,10 +27,10 @@ const void         *FIPS_text_end(void);
 # endif
 #endif
 
-#if !defined(FIPS_REF_POINT_IS_SAFE_TO_CROSS_COMPILE)
+#if !defined(FIPS_REF_POINT_IS_CROSS_COMPILER_AWARE)
 # if	(defined(__ANDROID__) && (defined(__arm__) || defined(__arm)))	|| \
 	(defined(__vxworks)   && (defined(__ppc__) || defined(__ppc)))
-#  define FIPS_REF_POINT_IS_SAFE_TO_CROSS_COMPILE
+#  define FIPS_REF_POINT_IS_CROSS_COMPILER_AWARE
 # endif
 #endif
 
@@ -149,7 +149,7 @@ static void *instruction_pointer(void)
  */
 const void *FIPS_ref_point()
 {
-#if	defined(FIPS_REF_POINT_IS_SAFE_TO_CROSS_COMPILE)
+#if	defined(FIPS_REF_POINT_IS_CROSS_COMPILER_AWARE)
     return (void *)FIPS_ref_point;
 #elif	defined(INSTRUCTION_POINTER_IMPLEMENTED)
     return instruction_pointer();