Hunk #2, 3: fix the build with libdockapp>=0.7

Index: configure
--- configure.orig
+++ configure
@@ -3052,6 +3052,9 @@ case $host_os in
 	OS=freebsd
 	LIBRARY_RPATH="$LIBRARY_RPATH:/usr/X11R6/lib"
 	;;
+*openbsd*)
+	OS=openbsd
+	;;
 *)
 	echo ""
 	echo "Sorry, $host_os is not supported yet."
@@ -4713,7 +4716,7 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 $ac_includes_default
-#include <dockapp.h>
+#include <libdockapp/dockapp.h>
 _ACEOF
 rm -f conftest.$ac_objext
 if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
@@ -4748,7 +4751,7 @@ _ACEOF
 cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
-#include <dockapp.h>
+#include <libdockapp/dockapp.h>
 _ACEOF
 if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
   (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1