fix distcheck

Original commit message from CVS:
fix distcheck

Makefile.am

@@ -11,7 +11,7 @@ EXTRA_DIST = \
 
 include $(top_srcdir)/common/release.mak
 
-pygst.py: pygst.py.in Makefile
+pygst.py: $(top_srcdir)/pygst.py.in Makefile
 	if test -f $@; then chmod +w $@; fi
 	sed -e "s|@PYGSTDIR\@|$(shell pwd)|g" \
 	    -e "s|@GST_MAJORMINOR\@|$(GST_MAJORMINOR)|g" \

gst/__init__.py

@@ -75,12 +75,13 @@ class Fraction(Value):
       return '<gst.Fraction %d/%d>' % (self.num, self.denom)
 
 from _gst import *
+import interfaces
+
 # this restores previously installed importhooks, so we don't interfere
 # with other people's module importers
 # it also clears out the module completely as if it were never loaded,
 # so that if anyone else imports ltihooks the hooks get installed
 if __ltihooks_used__:
-    import gst.interfaces as interfaces
     ltihooks.uninstall()
     __ltihooks_used__ = False
     del ltihooks