Fix warning when SP_HAS_PCRE2 is not defined (#397)

1 files changed, 3 insertions, 1 deletions

diff --git a/src/sp_pcre_compat.c b/src/sp_pcre_compat.c
index 3bd00ca..203fb7a 100644
--- a/src/sp_pcre_compat.c
+++ b/src/sp_pcre_compat.c
@@ -3,8 +3,10 @@
 inline void sp_pcre_free(sp_pcre* regexp) {
 #ifdef SP_HAS_PCRE2
   pcre2_code_free(regexp);
+        regexp = NULL;
+#else
+  (void)regexp;
 #endif
-  regexp = NULL;
 }
 
 sp_pcre* sp_pcre_compile(const char* const pattern) {