[git commit] pptp-linux: fix build with high BR2_JLEVEL settings

commit: http://git.buildroot.net/buildroot/commit/?id=ffc4afe084a76e7246bd373c73b706f512a86c2b
branch: http://git.buildroot.net/buildroot/commit/?id=refs/heads/master

The pptp-linux build system is not robust against parallel builds.

Fixes http://autobuild.buildroot.net/results/a75fab3f04d03cb39cd41a86b6f57307198ba5f1

Signed-off-by: Peter Korsgaard <jacmet@...>
---
 package/pptp-linux/pptp-linux.mk |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/package/pptp-linux/pptp-linux.mk b/package/pptp-linux/pptp-linux.mk
index 77ae34d..d4c5bc4 100644
--- a/package/pptp-linux/pptp-linux.mk
+++ b/package/pptp-linux/pptp-linux.mk
 <at>  <at>  -7,6 +7,7  <at>  <at> 
 PPTP_LINUX_VERSION = 1.7.2
 PPTP_LINUX_SITE = http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/sourceforge/pptpclient
 PPTP_LINUX_SOURCE = pptp-$(PPTP_LINUX_VERSION).tar.gz
+PPTP_LINUX_MAKE = $(MAKE1)

 define PPTP_LINUX_BUILD_CMDS
 	$(MAKE) -C $( <at> D) OPTIMIZE= DEBUG= \