Only emit new-source when operation succeeded
Only emit new-source when operation succeeded

Original git commit by Alexander Larsson <alex@greebo.(none)> at 1170163638 +0100

svn path=/trunk/; revision=281

xkahn/gvfs-cmis,gicmo/gvfs,halfline/gvfs,philipl/gvfs,thiblahute/gvfs,gicmo/gvfs,gicmo/gvfs,xkahn/gvfs-cmis,philipl/gvfs,halfline/gvfs,thiblahute/gvfs,philipl/gvfs,cpatulea/gvfs,gicmo/gvfs,xkahn/gvfs-cmis,halfline/gvfs,xkahn/gvfs-cmis,cpatulea/gvfs