free,stat: make NOEXEC

pkill/pgrep/pidof uncovered another quirk: what about noexec's _process names_?

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/procps/free.c b/procps/free.c
index 618664e..b57e4a3 100644
--- a/procps/free.c
+++ b/procps/free.c
@@ -15,7 +15,7 @@
 //config:	memory in the system, as well as the buffers used by the kernel.
 //config:	The shared memory column should be ignored; it is obsolete.
 
-//applet:IF_FREE(APPLET(free, BB_DIR_USR_BIN, BB_SUID_DROP))
+//applet:IF_FREE(APPLET_NOEXEC(free, free, BB_DIR_USR_BIN, BB_SUID_DROP, free))
 
 //kbuild:lib-$(CONFIG_FREE) += free.o
 
@@ -47,7 +47,10 @@
 #endif
 } FIX_ALIASING;
 #define G (*(struct globals*)bb_common_bufsiz1)
-#define INIT_G() do { setup_common_bufsiz(); } while (0)
+#define INIT_G() do { \
+	setup_common_bufsiz(); \
+	/* NB: noexec applet - globals not zeroed */ \
+} while (0)
 
 
 static unsigned long long scale(unsigned long d)