[master] b617f518c Polish motivated by flexelint

[Nils Goroll]

commit b617f518cdb2db3acbfd1e1a6d5c0253d7b4abdf
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Fri Jan 28 12:44:22 2022 +0100

    Polish motivated by flexelint

diff --git a/include/vrt.h b/include/vrt.h
index 2b38f17b4..c23ac1eee 100644
--- a/include/vrt.h
+++ b/include/vrt.h
@@ -300,7 +300,7 @@ extern const struct strands *vrt_null_strands;
 /*
  * Macros for VCL_STRANDS creation
  */
-#define TOSTRAND(s)(&(struct strands){.n=1,.p=(const char *[1]){s}})
+#define TOSTRAND(s)(&(struct strands){.n=1,.p=(const char *[1]){(s)}})
 #define TOSTRANDS(x, ...)(&(struct strands){.n=x,.p=(const char *[x]){__VA_ARGS__}})
 
 /***********************************************************************