Link against common cuda library

Thanks to Jorg Bornschein for pointing it out

cmr=v1.7.4:reviewer=rolfv

This commit was SVN r29750.

ompi/mca/pml/ob1/Makefile.am

@@ -67,6 +67,11 @@ mcacomponent_LTLIBRARIES = $(component_install)
 mca_pml_ob1_la_SOURCES = $(ob1_sources)
 mca_pml_ob1_la_LDFLAGS = -module -avoid-version
 
+if OPAL_cuda_support
+mca_pml_ob1_la_LIBADD = \
+    $(top_ompi_builddir)/ompi/mca/common/cuda/libmca_common_cuda.la
+endif
+
 noinst_LTLIBRARIES = $(component_noinst)
 libmca_pml_ob1_la_SOURCES = $(ob1_sources)
 libmca_pml_ob1_la_LDFLAGS = -module -avoid-version