Consistently use `const auto`

It reads more naturally compared with `auto const`, and there are more
existing instances of it too.  This change `sed`s the repo to turn the
latter into the former for consistency.

Bug: b/245568070
Change-Id: Iffef96f49239e06d9eaa5ff309c50bf5bb0bdbb3
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/68189
Tested-by: Shahbaz Youssefi <syoussefi@google.com>
Commit-Queue: Shahbaz Youssefi <syoussefi@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Kokoro-Result: kokoro <noreply+kokoro@google.com>
Presubmit-Ready: Shahbaz Youssefi <syoussefi@google.com>

src/Pipeline/SpirvShader.cpp

diff --git a/src/Pipeline/SpirvShader.cpp b/src/Pipeline/SpirvShader.cpp
index ee3e1a5..2357a52 100644
--- a/src/Pipeline/SpirvShader.cpp
+++ b/src/Pipeline/SpirvShader.cpp
@@ -196,8 +196,8 @@
 		case spv::OpGroupDecorate:
 			{
 				uint32_t group = insn.word(1);
-				auto const &groupDecorations = decorations[group];
-				auto const &descriptorGroupDecorations = descriptorDecorations[group];
+				const auto &groupDecorations = decorations[group];
+				const auto &descriptorGroupDecorations = descriptorDecorations[group];
 				for(auto i = 2u; i < insn.wordCount(); i++)
 				{
 					// Remaining operands are targets to apply the group to.
@@ -210,7 +210,7 @@
 
 		case spv::OpGroupMemberDecorate:
 			{
-				auto const &srcDecorations = decorations[insn.word(1)];
+				const auto &srcDecorations = decorations[insn.word(1)];
 				for(auto i = 2u; i < insn.wordCount(); i += 2)
 				{
 					// remaining operands are pairs of <id>, literal for members to apply to.
@@ -1165,7 +1165,7 @@
 
 	ApplyDecorationsForId(&d, id);
 
-	auto const &obj = getType(id);
+	const auto &obj = getType(id);
 	switch(obj.opcode())
 	{
 	case spv::OpTypePointer: