Tweak Atmel Studio VSIX extension script output filename to contain the release version.

LUFA/StudioIntegration/makefile

@@ -66,7 +66,7 @@ generate_vsix: $(EXTENSION_OUTPUT_XML) $(MODULE_OUTPUT_XML)
 	@xsltproc --stringparam lufa-version "$(LUFA_VERSION_NUM)" XSLT/lufa_asfmanifest_transform.xslt VSIX/asf-manifest.xml > $(LUFA_ROOT)/../asf-manifest.xml
 
 	@echo "Generating Atmel Studio VSIX Extension file..."
-	@cd $(LUFA_ROOT)/../ && zip LUFA.vsix -q -9 contents.zip exampleProjects.xml content.xml.cache License.txt Preview.png PreviewThumb.png "[Content_Types].xml" extension.vsixmanifest asf-manifest.xml extension.xml
+	@cd $(LUFA_ROOT)/../ && zip LUFA-$(LUFA_VERSION_NUM).vsix -q -9 contents.zip exampleProjects.xml content.xml.cache License.txt Preview.png PreviewThumb.png "[Content_Types].xml" extension.vsixmanifest asf-manifest.xml extension.xml
 	@echo "Atmel Studio VSIX Extension file generated."
 
 check_filenames: $(MODULE_OUTPUT_XML)