Change __attribute_unused__ to PERL_UNUSED_DECL

The latter is the Perl standard way of making this declaration

1 files changed, 1 insertions, 1 deletions

diff --git a/regcomp.h b/regcomp.h
index 6826ae07ba..81c8a5ddd7 100644
--- a/regcomp.h
+++ b/regcomp.h
@@ -837,7 +837,7 @@ re.pm, especially to the documentation.
 #ifdef DEBUGGING
 
 #define GET_RE_DEBUG_FLAGS_DECL VOL IV re_debug_flags \
-	__attribute__unused__ = 0; GET_RE_DEBUG_FLAGS;
+	PERL_UNUSED_DECL = 0; GET_RE_DEBUG_FLAGS;
 
 #define RE_PV_COLOR_DECL(rpv,rlen,isuni,dsv,pv,l,m,c1,c2) \
     const char * const rpv =                          \