samba36: Install several config files as 600

Hotplug is managed by procd, which runs as root. The other files are used
by root as well.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

package/network/services/samba36/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=samba
 PKG_VERSION:=3.6.25
-PKG_RELEASE:=12
+PKG_RELEASE:=13
 
 PKG_SOURCE_URL:=https://download.samba.org/pub/samba \
 		https://download.samba.org/pub/samba/stable
@@ -154,7 +154,7 @@ define Package/samba36-server/install
 	$(INSTALL_DIR) $(1)/etc/config
 	$(INSTALL_CONF) ./files/samba.config $(1)/etc/config/samba
 	$(INSTALL_DIR) $(1)/etc/samba
-	$(INSTALL_DATA) ./files/smb.conf.template $(1)/etc/samba
+	$(INSTALL_CONF) ./files/smb.conf.template $(1)/etc/samba
 	$(INSTALL_DATA) $(PKG_BUILD_DIR)/codepages/lowcase.dat $(1)/etc/samba
 	$(INSTALL_DATA) $(PKG_BUILD_DIR)/codepages/upcase.dat $(1)/etc/samba
 	$(INSTALL_DATA) $(PKG_BUILD_DIR)/codepages/valid.dat $(1)/etc/samba
@@ -169,9 +169,9 @@ endef
 
 define Package/samba36-hotplug/install
 	$(INSTALL_DIR) $(1)/lib/samba
-	$(INSTALL_DATA) ./files/lib/samba.sh $(1)/lib/samba/samba.sh
+	$(INSTALL_CONF) ./files/lib/samba.sh $(1)/lib/samba/samba.sh
 	$(INSTALL_DIR) $(1)/etc/hotplug.d/block
-	$(INSTALL_DATA) ./files/samba.hotplug $(1)/etc/hotplug.d/block/60-samba
+	$(INSTALL_CONF) ./files/samba.hotplug $(1)/etc/hotplug.d/block/60-samba
 endef
 
 define Package/samba36-client/install