De-dup a function that was accidentally copied.

src/associate.c

@@ -28,26 +28,6 @@
 
 #include "vmod_selector.h"
 
-static struct match_data *
-get_existing_match_data(VRT_CTX,
-			const struct vmod_selector_set * const restrict set,
-			const char * const restrict method)
-{
-	struct vmod_priv *task;
-	struct match_data *match;
-
-	task = VRT_priv_task(ctx, set);
-	AN(task);
-	if (task->priv == NULL) {
-		VFAIL(ctx, "%s.%s() called without prior match", set->vcl_name,
-		      method);
-		return (NULL);
-	}
-	WS_Assert_Allocated(ctx->ws, task->priv, sizeof(*match));
-	CAST_OBJ(match, task->priv, MATCH_DATA_MAGIC);
-	return match;
-}
-
 static unsigned
 select(VRT_CTX, const struct match_data * const restrict match,
        const char * const restrict obj, VCL_ENUM const restrict selects,

src/vmod_selector.c

@@ -706,7 +706,7 @@ vmod_set_hasprefix(VRT_CTX, struct vmod_selector_set *set, VCL_STRING subject)
 	return (match->n > 0);
 }
 
-static struct match_data *
+struct match_data *
 get_existing_match_data(VRT_CTX,
 			const struct vmod_selector_set * const restrict set,
 			const char * const restrict method)

src/vmod_selector.h

@@ -87,3 +87,8 @@ is_added(const struct vmod_selector_set *set, unsigned idx,
 
 	return (vbit_test(set->bitmaps->bitmaps[bitmap], idx));
 }
+
+struct match_data *
+get_existing_match_data(const struct vrt_ctx *ctx,
+			const struct vmod_selector_set * const restrict set,
+			const char * const restrict method);