fix selinux version for contrib/builder generation

Signed-off-by: Jessica Frazelle <acidburn@docker.com>

contrib/builder/rpm/fedora-22/Dockerfile

@@ -7,7 +7,7 @@ FROM fedora:22
 RUN dnf install -y @development-tools fedora-packager
 RUN dnf install -y btrfs-progs-devel device-mapper-devel glibc-static libseccomp-devel libselinux-devel libtool-ltdl-devel selinux-policy selinux-policy-devel sqlite-devel tar
 
-ENV SECCOMP_VERSION v2.2.3
+ENV SECCOMP_VERSION 2.2.3
 RUN buildDeps=' \
 automake \
 libtool \
@@ -15,7 +15,7 @@ libtool \
 && set -x \
 && yum install -y $buildDeps \
 && export SECCOMP_PATH=$(mktemp -d) \
-&& git clone -b "$SECCOMP_VERSION" --depth 1 https://github.com/seccomp/libseccomp.git "$SECCOMP_PATH" \
+&& git clone -b "v${SECCOMP_VERSION}" --depth 1 https://github.com/seccomp/libseccomp.git "$SECCOMP_PATH" \
 && ( \
 cd "$SECCOMP_PATH" \
 && ./autogen.sh \

contrib/builder/rpm/fedora-23/Dockerfile

@@ -7,7 +7,7 @@ FROM fedora:23
 RUN dnf install -y @development-tools fedora-packager
 RUN dnf install -y btrfs-progs-devel device-mapper-devel glibc-static libseccomp-devel libselinux-devel libtool-ltdl-devel selinux-policy selinux-policy-devel sqlite-devel tar
 
-ENV SECCOMP_VERSION v2.2.3
+ENV SECCOMP_VERSION 2.2.3
 RUN buildDeps=' \
 automake \
 libtool \
@@ -15,7 +15,7 @@ libtool \
 && set -x \
 && yum install -y $buildDeps \
 && export SECCOMP_PATH=$(mktemp -d) \
-&& git clone -b "$SECCOMP_VERSION" --depth 1 https://github.com/seccomp/libseccomp.git "$SECCOMP_PATH" \
+&& git clone -b "v${SECCOMP_VERSION}" --depth 1 https://github.com/seccomp/libseccomp.git "$SECCOMP_PATH" \
 && ( \
 cd "$SECCOMP_PATH" \
 && ./autogen.sh \

contrib/builder/rpm/generate.sh

@@ -121,7 +121,7 @@ for version in "${versions[@]}"; do
 			&& set -x \
 			&& yum install -y $buildDeps \
 			&& export SECCOMP_PATH=$(mktemp -d) \
-			&& git clone -b "$SECCOMP_VERSION" --depth 1 https://github.com/seccomp/libseccomp.git "$SECCOMP_PATH" \
+			&& git clone -b "v${SECCOMP_VERSION}" --depth 1 https://github.com/seccomp/libseccomp.git "$SECCOMP_PATH" \
 			&& ( \
 				cd "$SECCOMP_PATH" \
 				&& ./autogen.sh \