module: lua: ldo: fix pragma name

/home/nabijaczleweli/store/code/zfs/module/lua/ldo.c:175:32: warning:
unknown option after ‘#pragma GCC diagnostic’ kind [-Wpragmas]
  175 | #pragma GCC diagnostic ignored "-Winfinite-recursion"a
      |                                ^~~~~~~~~~~~~~~~~~~~~~

Fixes: a6e8113fed8a508ffda13cf1c4d8da99a4e8133a ("Silence
-Winfinite-recursion warning in luaD_throw()")

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13348

module/lua/ldo.c

@@ -172,7 +172,7 @@ static void seterrorobj (lua_State *L, int errcode, StkId oldtop) {
  */
 #if defined(HAVE_INFINITE_RECURSION)
 #pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Winfinite-recursion"a
+#pragma GCC diagnostic ignored "-Winfinite-recursion"
 #endif
 
 l_noret luaD_throw (lua_State *L, int errcode) {