knxd: fix dependency in makefile

Signed-off-by: Othmar Truniger <github@truniger.ch>

net/knxd/Makefile

@@ -11,7 +11,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=knxd
-PKG_VERSION=2015-03-17-$(PKG_SOURCE_VERSION)
+PKG_VERSION=2015-03-31-$(PKG_SOURCE_VERSION)
 PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
@@ -27,6 +27,7 @@ PKG_LICENSE_FILES:=LICENSE
 
 PKG_BUILD_PARALLEL:=1
 PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)
+PKG_BUILD_DEPENDS:=argp-standalone
 
 PKG_FIXUP:=autoreconf
 PKG_INSTALL:=1
@@ -37,7 +38,7 @@ define Package/knxd
   SECTION:=net
   CATEGORY:=Network
   TITLE:=EIB KNX daemon
-  DEPENDS:=+pthsem +argp-standalone +libusb-1.0
+  DEPENDS:=+pthsem +libusb-1.0
 endef
 
 define Package/knxd/description