Merge pull request KhronosGroup#242 from egdaniel/patch-3

Register Magic Num for Skia SkSL SPIR-V Generator

Author: raunraun

include/spirv/spir-v.xml

@@ -81,7 +81,8 @@
         <id value="28"  vendor="gfx-rs community" tool="Naga" comment="https://github.com/gfx-rs/naga"/>
         <id value="29"  vendor="Mikkosoft Productions" tool="MSP Shader Compiler" comment="Contact Mikko Rasa, [email protected]"/>
         <id value="30"  vendor="SpvGenTwo community" tool="SpvGenTwo SPIR-V IR Tools" comment="https://github.com/rAzoR8/SpvGenTwo"/>
-        <unused start="31" end="0xFFFF" comment="Tool ID range reservable for future use by vendors"/>
+        <id value="31"  vendor="Google" tool="Skia SkSL" comment="Contact Ethan Nicholas, [email protected]"/>
+        <unused start="32" end="0xFFFF" comment="Tool ID range reservable for future use by vendors"/>
     </ids>
 
     <!-- SECTION: SPIR-V Opcodes and Enumerants -->