Guard __attr_dealloc_free seperately from __attr_dealloc

Otherwise, header include order matters when building against a libc that
does not itself define __attr_dealloc_free, such as musl.

Author: LordGrimmauld

auparse/auparse.h

@@ -31,6 +31,8 @@
 #endif
 #ifndef __attr_dealloc
 # define __attr_dealloc(dealloc, argno)
+#endif
+#ifndef __attr_dealloc_free
 # define __attr_dealloc_free
 #endif
 #ifndef __attribute_malloc__

lib/audit_logging.h

@@ -40,6 +40,8 @@ extern "C" {
 #endif
 #ifndef __attr_dealloc
 # define __attr_dealloc(dealloc, argno)
+#endif
+#ifndef __attr_dealloc_free
 # define __attr_dealloc_free
 #endif
 // Warn unused result

lib/libaudit.h

@@ -43,6 +43,8 @@
 // malloc and free assignments
 #ifndef __attr_dealloc
 # define __attr_dealloc(dealloc, argno)
+#endif
+#ifndef __attr_dealloc_free
 # define __attr_dealloc_free
 #endif
 #ifndef __attribute_malloc__