This pre-emptively squashes an upcoming warning when converting this file to C++
which otherwise fails the CMake build:
cmd/tools/gvpack.cpp:77:22: error: ISO C++11 does not allow conversion from
string literal to 'char *' [-Werror,-Wwritable-strings]
Gitlab: #2154
static int G_sz; /* Storage size for -G arguments */
static attr_t *G_args; /* Storage for -G arguments */
static bool doPack; /* Do packing if true */
-static char* gname = "root";
+static char* gname = (char*)"root";
#define NEWNODE(n) ((node_t*)ND_alg(n))