[motion/dynamic-graph-bridge] Correct Makefile

* PKGNAME shoudld not contain "_"
* correct DYNAMIC_PLIST_DIRS typo

dynamic-graph-bridge/Makefile

 # robotpkg Makefile for:	motion/dynamic-graph-bridge
 #
 
-DISTNAME=		dynamic_graph_bridge-${VERSION}
 VERSION=		1.0.0
+DISTNAME=		dynamic_graph_bridge-${VERSION}
+PKGNAME=		dynamic-graph-bridge-${VERSION}
 
 CATEGORIES=		motion
 MASTER_SITES=		${MASTER_SITE_OPENROBOTS:=dynamic-graph-bridge/}
@@ -12,7 +13,7 @@ COMMENT=		This ROS package binds together the ROS framework with the dynamic-gra
 LICENSE=		gnu-lgpl-v3
 MAINTAINER=		hpp@laas.fr
 
-DYNAMIC_PLIST_DIRS+=	share/doc/dynamic-graph-bridge
+DYNAMIC_PLIST_DIRS+=	share/doc/dynamic_graph_bridge
 
 # disable -Werror because of x86_64 warnings (must be fixed upstream) and
 # boost + gcc that don't cohabit well depending on their respective versions