Enable use of /proc/self/cmdline on Solaris as well as Linux, now that we have

support for it via PSARC/2015/207, instead of falling through to no-op case in

shell_global_reexec_self().

Need to submit upstream.

diff --git a/src/shell-global.c b/src/shell-global.c

index 6dda352..a698f0e 100644

--- a/src/shell-global.c

+++ b/src/shell-global.c

@@ -1244,7 +1244,7 @@ shell_global_reexec_self (ShellGlobal *global)

GPtrArray *arr;

gsize len;

-#if defined __linux__

+#if defined __linux__ || defined __sun

char *buf;

char *buf_p;

char *buf_end;