move nofork_save_area from libbb.h to vfork_daemon_rexec.c

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/libbb/getopt32.c b/libbb/getopt32.c
index 25bae31..abd4120 100644
--- a/libbb/getopt32.c
+++ b/libbb/getopt32.c
@@ -531,7 +531,7 @@
 
 	/* In case getopt32 was already called:
 	 * reset the libc getopt() function, which keeps internal state.
-	 * run_nofork_applet_prime() does this, but we might end up here
+	 * run_nofork_applet() does this, but we might end up here
 	 * also via gunzip_main() -> gzip_main(). Play safe.
 	 */
 #ifdef __GLIBC__