fix some bugs uncovered by compiling with clang

src/vmod_blobcode.c

@@ -38,6 +38,8 @@
 #include "vmod_blobcode.h"
 #include "wb.h"
 
+#define MAX_VCL_ERRMSG 64
+
 struct vmod_blobcode_blob {
 	unsigned magic;
 #define VMOD_BLOBCODE_BLOB_MAGIC 0xfade4fa9
@@ -67,7 +69,7 @@ struct vmod_blobcode_blob {
 #define ILLEGAL(ctx, m) \
 	ERR((ctx), m " is illegal in vcl_init() and vcl_fini().")
 
-static const struct vmod_priv const null_blob[1] =
+static const struct vmod_priv null_blob[1] =
 {
 	{
 		.priv = "",
@@ -157,8 +159,8 @@ errmsg(VRT_CTX, const char *fmt, ...)
 	else if (ctx->vsl)
 		VSLbv(ctx->vsl, SLT_VCL_Error, fmt, args);
 	else
-		/* An error message in vcl_fini() cannot be formatted */
-		VSL(SLT_VCL_Error, 0, fmt);
+		/* Should this ever happen in vcl_fini() ... */
+		VSL(SLT_VCL_Error, 0, fmt, args);
 	va_end(args);
 }