use libuuid from the system rather than local bundled code

http://bugs.gentoo.org/270830

--- a/build/Makefile.am
+++ b/build/Makefile.am
@@ -58,6 +58,7 @@ mediatomb_CXXFLAGS = -I$(top_srcdir)/src \
 mediatomb_LDADD = \
     libmediatomb.a \
     $(top_srcdir)/tombupnp/build/libtombupnp.a \
+    -luuid \
     $(LIBEXIF_LDFLAGS) \
     $(ZLIB_LDFLAGS) \
     $(EXPAT_LDFLAGS) \
--- a/build/libmediatomb_src
+++ b/build/libmediatomb_src
@@ -231,19 +231,6 @@ libmediatomb_a_SOURCES = \
 ../src/url.h \
 ../src/url_request_handler.cc \
 ../src/url_request_handler.h \
-../src/uuid/clear.c \
-../src/uuid/compare.c \
-../src/uuid/copy.c \
-../src/uuid/gen_uuid.c \
-../src/uuid/isnull.c \
-../src/uuid/pack.c \
-../src/uuid/parse.c \
-../src/uuid/unpack.c \
-../src/uuid/unparse.c \
-../src/uuid/uuid.h \
-../src/uuid/uuidP.h \
-../src/uuid/uuid_time.c \
-../src/uuid/uuid_types.h \
 ../src/web/action.cc \
 ../src/web/add.cc \
 ../src/web/add_object.cc \