D test-suite fixes

Fixes 'make partialcheck-d-test-suite' and probably normal D
test-suite usage (unable to test)

Examples/test-suite/d/Makefile.in

@@ -5,8 +5,8 @@
 LANGUAGE     = d
 
 srcdir       = @srcdir@
-top_srcdir   = @top_srcdir@
-top_builddir = @top_builddir@
+top_srcdir   = ../@top_srcdir@
+top_builddir = ../@top_builddir@
 
 ifeq (2,$(D_VERSION))
   VERSIONSUFFIX = .2
@@ -22,10 +22,9 @@ CPP_TEST_CASES = \
 
 include $(srcdir)/../common.mk
 
-# Override some variables from common.mk:
-
+# Overridden variables here
+SRCDIR       = ../$(srcdir)/
 TARGETSUFFIX = _wrap
-
 SWIGOPT+=-splitproxy -package $*
 
 # Rules for the different types of tests