Rename VRT_error() to VRT_synth() for consistency

bin/varnishd/cache/cache_vrt.c

@@ -48,7 +48,7 @@ const void * const vrt_magic_string_unset = &vrt_magic_string_unset;
 /*--------------------------------------------------------------------*/
 
 void
-VRT_error(VRT_CTX, unsigned code, const char *reason)
+VRT_synth(VRT_CTX, unsigned code, const char *reason)
 {
 
 	CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC);

include/vrt.h

@@ -253,7 +253,7 @@ void VRT_purge(VRT_CTX, double ttl, double grace, double keep);
 
 void VRT_count(VRT_CTX, unsigned);
 int VRT_rewrite(const char *, const char *);
-void VRT_error(VRT_CTX, unsigned, const char *);
+void VRT_synth(VRT_CTX, unsigned, const char *);
 int VRT_switch_config(const char *);
 
 struct http *VRT_selecthttp(VRT_CTX, enum gethdr_e);

lib/libvcc/vcc_action.c

@@ -324,7 +324,7 @@ parse_return(struct vcc *tl)
 		}
 		ExpectErr(tl, '(');
 		vcc_NextToken(tl);
-		Fb(tl, 1, "VRT_error(ctx,\n");
+		Fb(tl, 1, "VRT_synth(ctx,\n");
 		tl->indent += INDENT;
 		vcc_Expr(tl, INT);
 		ERRCHK(tl);