umbim: update to latest git HEAD

Signed-off-by: John Crispin <john@phrozen.org>

package/network/utils/umbim/Makefile

@@ -1,13 +1,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=umbim
-PKG_VERSION:=2015-04-09
+PKG_VERSION:=2015-07-04
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(LEDE_GIT)/project/umbim.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=af9c293c1f1d8a97fbd8adf9c6070ead4920ca84
+PKG_SOURCE_VERSION:=29aaf43b097ee57f7aa1bb24341db6cc4148cbf3
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 PKG_MAINTAINER:=John Crispin <john@phrozen.org>