fix -Uusedl builds

without the "static" linking produced a duplicate symbol error on
S_compile_runtime_code

diff --git a/regcomp.c b/regcomp.c
index cfed452..8889ef1 100644 (file)
--- a/regcomp.c
+++ b/regcomp.c
@@ -5025,7 +5025,7 @@ S_has_runtime_code(pTHX_ RExC_state_t * const pRExC_state, OP *expr,
  * the original pattern needs upgrading to utf8.
  */
 
-bool
+static bool
 S_compile_runtime_code(pTHX_ RExC_state_t * const pRExC_state,
     char *pat, STRLEN plen)
 {