[CRIU] [PATCH 4/6] Dockerfile: add libcap-dev

[Kir Kolyshkin]

Without it, make x86_64 build fails with

> namespaces.c:12:28: fatal error: sys/capability.h: No such file or directory

I'm not sure why building other arches succeeds, but
the package is definitely required.

Signed-off-by: Kir Kolyshkin <kir at openvz.org>
---
 scripts/build/Dockerfile.tmpl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/build/Dockerfile.tmpl b/scripts/build/Dockerfile.tmpl
index 96f3e46..79874cb 100644
--- a/scripts/build/Dockerfile.tmpl
+++ b/scripts/build/Dockerfile.tmpl
@@ -10,7 +10,8 @@ RUN apt-get update && apt-get install -y \
                 python-minimal \
                 libaio-dev \
                 iptables \
-                libnl-3-dev
+                libnl-3-dev \
+                libcap-dev
 
 COPY . /criu
 WORKDIR /criu
-- 
2.5.0