examples/c: add minimal_ns to the list of built app

minimal_ns was missed, add it to .gitignore and APPS list.

Closes: #265
Signed-off-by: Andrii Nakryiko <[email protected]>

Author: anakryiko

examples/c/.gitignore

@@ -2,6 +2,7 @@
 /bootstrap
 /minimal
 /minimal_legacy
+/minimal_ns
 /uprobe
 /kprobe
 /fentry

examples/c/Makefile

@@ -24,7 +24,8 @@ INCLUDES := -I$(OUTPUT) -I../../libbpf/include/uapi -I$(dir $(VMLINUX)) -I$(LIBB
 CFLAGS := -g -Wall
 ALL_LDFLAGS := $(LDFLAGS) $(EXTRA_LDFLAGS)
 
-APPS = minimal minimal_legacy bootstrap uprobe kprobe fentry usdt sockfilter tc ksyscall task_iter lsm
+APPS = minimal minimal_legacy minimal_ns bootstrap uprobe kprobe fentry \
+       usdt sockfilter tc ksyscall task_iter lsm
 
 CARGO ?= $(shell which cargo)
 ifeq ($(strip $(CARGO)),)