Avoid compiler warnings by consistently using #ifdef instead of plain #if

1 files changed, 1 insertions, 1 deletions

diff --git a/pp_ctl.c b/pp_ctl.c
index d0a56bab84..4828fbd6d8 100644
--- a/pp_ctl.c
+++ b/pp_ctl.c
@@ -153,7 +153,7 @@ PP(pp_regcomp)
 	       modified by get-magic), to avoid incorrectly setting the
 	       RXf_TAINTED flag with RX_TAINT_on further down. */
 	    TAINT_set(was_tainted);
-#if NO_TAINT_SUPPORT
+#ifdef NO_TAINT_SUPPORT
             PERL_UNUSED_VAR(was_tainted);
 #endif
 	}