patch: constify and use C99-style initialization for struct execsw

[Sebastien Marie]

Hi,

The following diff makes `struct execsw' to:

- use C99-style initialization (grep works better with that)
- use const as execsw is not modified during runtime

Comments or OK ?
-- 
Sebastien Marie

diff 2533c50dc3c36fe283749b7fcaef52891806c13c /home/semarie/repos/openbsd/src
blob - 43b0ebb9c128d7352b7b74119d3ea315654e03d2
file + sys/kern/exec_conf.c
--- sys/kern/exec_conf.c
+++ sys/kern/exec_conf.c
@@ -38,9 +38,15 @@
 
 extern struct emul emul_native;
 
-struct execsw execsw[] = {
-       { EXEC_SCRIPT_HDRSZ, exec_script_makecmds },    /* shell scripts */
-       { sizeof(Elf_Ehdr), exec_elf_makecmds },        /* elf binaries */
+const struct execsw execsw[] = {
+       {       /* shell scripts */
+               .es_hdrsz = EXEC_SCRIPT_HDRSZ,
+               .es_check = exec_script_makecmds,
+       },
+       {       /* elf binaries */
+               .es_hdrsz = sizeof(Elf_Ehdr),
+               .es_check = exec_elf_makecmds,
+       },
 };
 int nexecs = (sizeof execsw / sizeof(*execsw));
 int exec_maxhdrsz;
blob - 5158eb25e5c720731deb9bdd04b65f8525140c49
file + sys/sys/exec.h
--- sys/sys/exec.h
+++ sys/sys/exec.h
@@ -212,7 +212,7 @@ void        new_vmcmd(struct exec_vmcmd_set *evsp,
  * Functions for specific exec types should be defined in their own
  * header file.
  */
-extern struct  execsw execsw[];
+extern const struct    execsw execsw[];
 extern int     nexecs;
 extern int     exec_maxhdrsz;