Refactor out the common VSIX XSLT params.

LUFA/StudioIntegration/makefile

@@ -40,6 +40,8 @@ VSIX_ASSETS          := $(LUFA_ROOT)/DoxygenPages/Images/LUFA_thumb.png    \
                         VSIX/GettingStarted.htm                             \
                         Blob/LUFA.dll                                       \
                         Blob/LUFA.pkgdef
+VSIX_GEN_PARAMS     := --stringparam extension-version "$(EXT_VERSION_NUM)" \
+                       --stringparam lufa-version "$(LUFA_VERSION_NUM)"
 MSHELP_GEN_PARAMS   := --stringparam generate.toc "book toc"                \
                        --stringparam chunk.quietly "1"                      \
                        --stringparam chunk.section.depth "3"                \
@@ -114,9 +116,9 @@ generate_vsix: $(EXTENSION_OUTPUT_XML) $(MODULE_OUTPUT_XML) $(MSHELP_OUTPUT_XML)
 
 	@echo "Creating VSIX dependencies..."
 	@cp $(VSIX_ASSETS) $(LUFA_ROOT)/..
-	@xsltproc --stringparam extension-version "$(EXT_VERSION_NUM)" VSIX/lufa_vsmanifest_transform.xslt VSIX/extension.vsixmanifest > $(LUFA_ROOT)/../extension.vsixmanifest
-	@xsltproc --stringparam lufa-version "$(LUFA_VERSION_NUM)" VSIX/lufa_asfmanifest_transform.xslt VSIX/asf-manifest.xml > $(LUFA_ROOT)/../asf-manifest.xml
-	@xsltproc --stringparam extension-version "$(EXT_VERSION_NUM)" HV1/lufa_helpcontentsetup_transform.xslt HV1/helpcontentsetup.msha > $(LUFA_ROOT)/../helpcontentsetup.msha
+	@xsltproc $(VSIX_GEN_PARAMS) VSIX/lufa_vsmanifest_transform.xslt VSIX/extension.vsixmanifest > $(LUFA_ROOT)/../extension.vsixmanifest
+	@xsltproc $(VSIX_GEN_PARAMS) VSIX/lufa_asfmanifest_transform.xslt VSIX/asf-manifest.xml > $(LUFA_ROOT)/../asf-manifest.xml
+	@xsltproc $(VSIX_GEN_PARAMS) HV1/lufa_helpcontentsetup_transform.xslt HV1/helpcontentsetup.msha > $(LUFA_ROOT)/../helpcontentsetup.msha
 
 	@echo "Generating Atmel Studio VSIX file..."
 	cd $(LUFA_ROOT)/../ && zip $(EXT_VSIX_NAME) -q -9 contents.zip exampleProjects.xml content.xml.cache extension.vsixmanifest asf-manifest.xml extension.xml helpcontentsetup.msha $(notdir $(MSHELP_OUTPUT_XML)) $(notdir $(VSIX_ASSETS))