sdext: fix unit test for Windows

sdext/CppunitTest_pdfimport.mk

@@ -28,7 +28,8 @@
 $(eval $(call gb_CppunitTest_CppunitTest,sdext_pdfimport))
 
 $(eval $(call gb_CppunitTest_add_defs,sdext_pdfimport,\
-    -DPDFIMPORT_EXECUTABLE_LOCATION=\"file://$(dir $(call gb_Executable_get_target,xpdfimport))\" \
+    -DPDFIMPORT_EXECUTABLE_LOCATION=\"$(call gb_CppunitTarget__make_url,\
+        $(dir $(call gb_Executable_get_target,xpdfimport)))\" \
 ))
 
 $(eval $(call gb_CppunitTest_add_api,sdext_pdfimport,\

solenv/gbuild/CppunitTest.mk

@@ -58,7 +58,7 @@ endif
 gb_CppunitTest__get_linktargetname = CppunitTest/$(call gb_CppunitTest_get_filename,$(1))
 
 # TODO: move this to platform under suitable name
-gb_CppunitTarget__make_url = file://$(if $(filter WNT,$(OS_FOR_BUILD)),/)$(1)
+gb_CppunitTarget__make_url = file://$(if $(filter WNT,$(OS_FOR_BUILD)),/)$(strip $(1))
 
 gb_CppunitTest__get_uno_type_target = $(OUTDIR)/bin/$(1).rdb
 define gb_CppunitTest__make_args