gbuild, cli_ure: Win32 make issues with back and forward slashes

It looks like what works is to give the source file names with
backslashes but everything else with forward slashes?

Change-Id: Iaf910ab5fc41984d1315a30b164a334d28344c16

cli_ure/Library_cli_cppuhelper_native.mk

@@ -21,7 +21,7 @@ $(eval $(call gb_Library_add_cxxflags,cli_cppuhelper,\
 
 $(eval $(call gb_Library_add_ldflags,cli_cppuhelper,\
 	-ignore:4248 \
-	-keyfile:$(call gb_Helper_windows_path,$(SRCDIR)/cli_ure/source/cliuno.snk) \
+	-keyfile:$(SRCDIR)/cli_ure/source/cliuno.snk \
 ))
 
 $(eval $(call gb_Library_add_ldflags,cli_cppuhelper,\

solenv/gbuild/CliAssembly.mk

@@ -59,7 +59,7 @@ $(call gb_Helper_abbreviate_dirs,\
 		-nologo \
 		-out:$(CLI_ASSEMBLY_OUTFILE) \
 		-version:$(CLI_ASSEMBLY_VERSION) \
-		-keyfile:$(call gb_Helper_windows_path,$(CLI_ASSEMBLY_KEYFILE)) \
+		-keyfile:$(CLI_ASSEMBLY_KEYFILE) \
 		-link:$(CLI_ASSEMBLY_CONFIGFILE) \
 		$(if $(CLI_ASSEMBLY_PLATFORM),-platform:$(CLI_ASSEMBLY_PLATFORM)) && \
 	touch $(1) \

solenv/gbuild/CliLibrary.mk

@@ -33,20 +33,20 @@ endif
 gb_CliLibrary__get_source = $(SRCDIR)/$(1).cs
 gb_CliLibrary__get_generated_source = $(WORKDIR)/$(1).cs
 
+# csc has silly problems handling files passed on command line
 define gb_CliLibrary__command
 $(call gb_Output_announce,$(2),$(true),CSC,3)
-$(call gb_Helper_abbreviate_dirs,\
-	csc $(call gb_Helper_windows_path, \
+	csc \
 		$(call gb_CliLibrary__get_csflags) \
 		$(CLI_CSCFLAGS) \
 		-target:library \
 		-out:$(1) \
-		-keyfile:$(call gb_Helper_windows_path,$(CLI_KEYFILE)) \
+		-keyfile:$(CLI_KEYFILE) \
 		-reference:System.dll \
 		$(foreach assembly,$(CLI_ASSEMBLIES),-reference:$(assembly)) \
-		$(CLI_SOURCES) \
-	) \
-)
+		$(subst /,\,$(CLI_SOURCES)) \
+
+
 endef
 
 .PHONY : $(call gb_CliLibrary_get_clean_target,%)